Susan Sarandon posts shirtless throwback snap from 1978 Cannes Film Festival

It's official: Susan Sarandon is the definition of perfection.

The actress, 70, shared a picture of herself in Cannes back in 1978 and we've come to realize that she's absolutely ageless!

Cannes 1978 #TBT

A post shared by Susan Sarandon (@susansarandon) on

A young Susan is photographed chilling -- sans shirt -- on a hotel balcony with only a black blazer, white pants and some fresh New Balance sneakers on. Her gorgeous red tresses are styled similarly to what they look like today, while she showed off her perfect porcelain skin by keeping her makeup simple.

14 PHOTOS
Susan Sarandon at Cannes Film Festival Opening Gala
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Susan Sarandon at Cannes Film Festival Opening Gala
CANNES, FRANCE - MAY 17: Susan Sarandon attends the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Gisela Schober/Getty Images)
US actress Susan Sarandon poses as she arrives on May 17, 2017 for the screening of the film 'Ismael's Ghosts' (Les Fantomes d'Ismael) during the opening ceremony of the 70th edition of the Cannes Film Festival in Cannes, southern France. / AFP PHOTO / Alberto PIZZOLI (Photo credit should read ALBERTO PIZZOLI/AFP/Getty Images)
US actress Susan Sarandon poses as she arrives on May 17, 2017 for the screening of the film 'Ismael's Ghosts' (Les Fantomes d'Ismael) during the opening ceremony of the 70th edition of the Cannes Film Festival in Cannes, southern France. / AFP PHOTO / Valery HACHE (Photo credit should read VALERY HACHE/AFP/Getty Images)
US actresse Susan Sarandon poses as she arrives on May 17, 2017 for the screening of the film 'Ismael's Ghosts' (Les Fantomes d'Ismael) during the opening ceremony of the 70th edition of the Cannes Film Festival in Cannes, southern France. / AFP PHOTO / Anne-Christine POUJOULAT (Photo credit should read ANNE-CHRISTINE POUJOULAT/AFP/Getty Images)
US actresses Susan Sarandon poses as she arrives on May 17, 2017 for the screening of the film 'Ismael's Ghosts' (Les Fantomes d'Ismael) during the opening ceremony of the 70th edition of the Cannes Film Festival in Cannes, southern France. / AFP PHOTO / Anne-Christine POUJOULAT (Photo credit should read ANNE-CHRISTINE POUJOULAT/AFP/Getty Images)
CANNES, FRANCE - MAY 17: Susan Sarandon and Bella Hadid kiss on carpet at the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Dominique Charriau/WireImage)
US model Bella Hadid (C) is greeted by US actress Susan Sarandon as she arrives on May 17, 2017 for the screening of the film 'Ismael's Ghosts' (Les Fantomes d'Ismael) during the opening ceremony of the 70th edition of the Cannes Film Festival in Cannes, southern France. / AFP PHOTO / Alberto PIZZOLI (Photo credit should read ALBERTO PIZZOLI/AFP/Getty Images)
CANNES, FRANCE - MAY 17: Susan Sarandon and Bella Hadid attend the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Dominique Charriau/WireImage)
US model Bella Hadid (L) is greeted by US actress Susan Sarandon as she arrives on May 17, 2017 for the screening of the film 'Ismael's Ghosts' (Les Fantomes d'Ismael) during the opening ceremony of the 70th edition of the Cannes Film Festival in Cannes, southern France. / AFP PHOTO / Alberto PIZZOLI (Photo credit should read ALBERTO PIZZOLI/AFP/Getty Images)
US actresses Elle Fanning (L) and Susan Sarandon pose as they arrive on May 17, 2017 for the screening of the film 'Ismael's Ghosts' (Les Fantomes d'Ismael) during the opening ceremony of the 70th edition of the Cannes Film Festival in Cannes, southern France. / AFP PHOTO / Valery HACHE (Photo credit should read VALERY HACHE/AFP/Getty Images)
CANNES, FRANCE - MAY 17: Actresses Elle Fanning (L) and Susan Sarandon attend the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Dominique Charriau/WireImage)
CANNES, FRANCE - MAY 17: Actresses Elle Fanning (L) and Susan Sarandon attend the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Pascal Le Segretain/Getty Images)
US actress Julianne Moore (L) and US actress Susan Sarandon pose as they arrive on May 17, 2017 for the screening of the film 'Ismael's Ghosts' (Les Fantomes d'Ismael) during the opening ceremony of the 70th edition of the Cannes Film Festival in Cannes, southern France. / AFP PHOTO / Valery HACHE (Photo credit should read VALERY HACHE/AFP/Getty Images)
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The "Feud" star posted the photo a day after her show-stopping red carpet appearance during the 2017 Cannes Film Festival Opening Gala.

The redhead turned heads in an off-the-shoulder emerald green velvet gown that featured an eye-popping display of her cleavage. Susan was quite a hit on the red carpet as she was photographed talking to a number of famous faces, including Elle Fanning and Bella Hadid.

Susan continues to take Cannes by storm, stepping out on Thursday in a black-and-white frock and her black sunnies, which she wore on last night's red carpet. Check out her sexy look from last night in the slideshow above!

43 PHOTOS
Cannes Film Festival Opening Gala 2017: Red carpet arrivals
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Cannes Film Festival Opening Gala 2017: Red carpet arrivals
CANNES, FRANCE - MAY 17: Emily Ratajkowski attends the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Anthony Harvey/FilmMagic)
CANNES, FRANCE - MAY 17: Bella Hadid attends the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Dominique Charriau/WireImage)
CANNES, FRANCE - MAY 17: Actor Michelle Yeoh attends the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Gisela Schober/Getty Images)
CANNES, FRANCE - MAY 17: Louane Emera (L) and Benjamin Biolay attend the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Kristina Nikishina/Epsilon/Getty Images)
CANNES, FRANCE - MAY 17: Sheikha Aisha Al Thani attends the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Gisela Schober/Getty Images)
CANNES, FRANCE - MAY 17: Director Asghar Farhadi and Lily-Rose Depp attend the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Dominique Charriau/WireImage)
CANNES, FRANCE - MAY 17: Monica Bacardi attends the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Venturelli/WireImage)
CANNES, FRANCE - MAY 17: Katya Mtsituridze attends the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Andreas Rentz/Getty Images)
CANNES, FRANCE - MAY 17: Adrien Brody attends the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Venturelli/WireImage)
CANNES, FRANCE - MAY 17: Sveva Alviti attends the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Andreas Rentz/Getty Images)
CANNES, FRANCE - MAY 17: Actress Elle Fanning attends the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Venturelli/WireImage)
CANNES, FRANCE - MAY 17: Victoria Abril attends the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Gisela Schober/Getty Images)
CANNES, FRANCE - MAY 17: Un Certain Regard jury president Uma Thurman attends the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Dominique Charriau/WireImage)
CANNES, FRANCE - MAY 17: Robin Wright attends the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Venturelli/WireImage)
CANNES, FRANCE - MAY 17: Rossy De Palma attends the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Venturelli/WireImage)
CANNES, FRANCE - MAY 17: Eva Herzigova attends the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Andreas Rentz/Getty Images)
CANNES, FRANCE - MAY 17: Sara Sampaio attends the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Gisela Schober/Getty Images)
CANNES, FRANCE - MAY 17: Actress Susan Sarandon attends the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Gisela Schober/Getty Images)
CANNES, FRANCE - MAY 17: Sandrine Bonnaire attends the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Dominique Charriau/WireImage)
CANNES, FRANCE - MAY 17: Actress Julianne Moore attends the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Venturelli/WireImage) She is in Chopard X Gemfields earrings.
French actress Jeanne Balibar poses as she arrives on May 17, 2017 for the screening of the film 'Ismael's Ghosts' (Les Fantomes d'Ismael) during the opening ceremony of the 70th edition of the Cannes Film Festival in Cannes, southern France. / AFP PHOTO / Anne-Christine POUJOULAT (Photo credit should read ANNE-CHRISTINE POUJOULAT/AFP/Getty Images)
CANNES, FRANCE - MAY 17: Clotilde Courau attends the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Dominique Charriau/WireImage)
CANNES, FRANCE - MAY 17: Actress Naomie Harris attends the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Venturelli/WireImage)
CANNES, FRANCE - MAY 17: Klemens Hallmann attends the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Gisela Schober/Getty Images)
CANNES, FRANCE - MAY 17: Barbara Meier attends the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Gisela Schober/Getty Images)
CANNES, FRANCE - MAY 17: Frederique Bel attends the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Venturelli/WireImage)
CANNES, FRANCE - MAY 17: Gianna Simone attends the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Dominique Charriau/WireImage)
CANNES, FRANCE - MAY 17: Fr��ique Bel attends the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Andreas Rentz/Getty Images)
French model and actress Aymeline Valade poses as she arrives on May 17, 2017 for the screening of the film 'Ismael's Ghosts' (Les Fantomes d'Ismael) during the opening ceremony of the 70th edition of the Cannes Film Festival in Cannes, southern France. / AFP PHOTO / Alberto PIZZOLI (Photo credit should read ALBERTO PIZZOLI/AFP/Getty Images)
CANNES, FRANCE - MAY 17: Fr��ique Bel attends the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Gisela Schober/Getty Images)
CANNES, FRANCE - MAY 17: Elsa Zylberstein attends the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Andreas Rentz/Getty Images)
CANNES, FRANCE - MAY 17: Victoria Bonya attends the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Andreas Rentz/Getty Images)
CANNES, FRANCE - MAY 17: Iman Perez attends the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Venturelli/WireImage)
CANNES, FRANCE - MAY 17: Alice Taglioni attends the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Venturelli/WireImage)
CANNES, FRANCE - MAY 17: Ginna Simone attends the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Pascal Le Segretain/Getty Images)
CANNES, FRANCE - MAY 17: Coco Konig attends the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Venturelli/WireImage)
CANNES, FRANCE - MAY 17: Hailey Baldwin attends the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Venturelli/WireImage)
CANNES, FRANCE - MAY 17: Lara Lieto attends the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Gisela Schober/Getty Images)
CANNES, FRANCE - MAY 17: Daria Strokous attends the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Pascal Le Segretain/Getty Images)

CANNES, FRANCE - MAY 17: Jury member Jessica Chastain attends the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. She's wearing Piaget jewelry.

(Photo by Pascal Le Segretain/Getty Images)

CANNES, FRANCE - MAY 17: Un Certain Regard jury president Uma Thurman attends the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Andreas Rentz/Getty Images)
CANNES, FRANCE - MAY 17: Caroline Scheufele and a friend attend the 'Ismael's Ghosts (Les Fantomes d'Ismael)' screening and Opening Gala during the 70th annual Cannes Film Festival at Palais des Festivals on May 17, 2017 in Cannes, France. (Photo by Pascal Le Segretain/Getty Images)
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