Shawn Mendes and Hailey Baldwin make red carpet debut at 2018 Met Gala

Shawn Mendes and Hailey Baldwin made things red carpet official at the 2018 Met Gala!

The pair, who have been fueling dating rumors with cute meet-ups and social media snaps over the last few months, were all smiles as they stepped out together at the annual star-studded fashion event on Monday.

Mendes, 19, and Baldwin, 21, both donned custom Tommy Hilfiger for the 2018 Gala, where the theme was “Heavenly Bodies: Fashion and the Catholic Imagination.” Mendes donned a dapper burgundy suit, while Baldwin wore an off-the-shoulder flowing white gown with a modified sweetheart neckline. 

The model accessorized with silver pumps and embraced the theme of religious iconography by weaving white flowers into her pink hair.

See photos of Shawn Mendes and Hailey Baldwin at the 2018 Met Gala:

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Shawn Mendes and Hailey Baldwin at the 2018 Met Gala
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Shawn Mendes and Hailey Baldwin at the 2018 Met Gala
NEW YORK, NY - MAY 07: Shawn Mendes and Hailey Baldwin attend the Heavenly Bodies: Fashion & The Catholic Imagination Costume Institute Gala at The Metropolitan Museum of Art on May 7, 2018 in New York City. (Photo by Neilson Barnard/Getty Images)
NEW YORK, NY - MAY 07: Hailey Baldwin and Shawn Mendes attends the Heavenly Bodies: Fashion & The Catholic Imagination Costume Institute Gala at The Metropolitan Museum of Art on May 7, 2018 in New York City. (Photo by Mike Coppola/MG18/Getty Images for The Met Museum/Vogue)
NEW YORK, NY - MAY 07: Shawn Mendes and Hailey Baldwin attend the Heavenly Bodies: Fashion & The Catholic Imagination Costume Institute Gala at The Metropolitan Museum of Art on May 7, 2018 in New York City. (Photo by Dia Dipasupil/WireImage)
NEW YORK, NY - MAY 07: Shawn Mendes and Hailey Baldwin attend the Heavenly Bodies: Fashion & The Catholic Imagination Costume Institute Gala at The Metropolitan Museum of Art on May 7, 2018 in New York City. (Photo by Kevin Mazur/MG18/Getty Images for The Met Museum/Vogue)
NEW YORK, NY - MAY 07: Shawn Mendes and Hailey Baldwin attend the Heavenly Bodies: Fashion & The Catholic Imagination Costume Institute Gala at The Metropolitan Museum of Art on May 7, 2018 in New York City. (Photo by Kevin Mazur/MG18/Getty Images for The Met Museum/Vogue)
NEW YORK, NY - MAY 07: Shawn Mendes (R) and Hailey Baldwin attend the Heavenly Bodies: Fashion & The Catholic Imagination Costume Institute Gala at The Metropolitan Museum of Art on May 7, 2018 in New York City. (Photo by Kevin Mazur/MG18/Getty Images for The Met Museum/Vogue)
NEW YORK, NY - MAY 07: Shawn Mendes (L) and Hailey Baldwin are seen at The Pierre Hotel in Midtown on May 7, 2018 in New York City. (Photo by TheStewartofNY/GC Images)
NEW YORK, NY - MAY 07: Shawn Mendes (L) and Hailey Baldwin are seen at The Pierre Hotel in Midtown on May 7, 2018 in New York City. (Photo by TheStewartofNY/GC Images)
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The pair were also spotted leaving an NYC hotel prior to the event, where Mendes was careful not to step on Baldwin's flowing train and offered a helping hand as the two stepped into their car.

Mendes and Baldwin last posed for a pic together in a social media snap that the singer posted to Instagram last month, alongside a simple emoji caption.

📸📷

A post shared by Shawn Mendes (@shawnmendes) on

Baldwin is not the first celeb Mendes has been linked to recently. The 19-year-old artist has also been rumored to have dated ex-Fifth Harmony singer Camila Cabello, with the two denying a relationship but often appearing playful and flirty together. Those rumors persisted as recently as February, when Mendes and Cabello were spotted holding hands at a pizza restaurant in New York City. 

See more couples at the 2018 Met Gala:

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Met Gala 2018: Couples take the red carpet
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Met Gala 2018: Couples take the red carpet
NEW YORK, NY - MAY 07: Hugh Jackman and Deborra-Lee Furness attend the Heavenly Bodies: Fashion & The Catholic Imagination Costume Institute Gala at The Metropolitan Museum of Art on May 7, 2018 in New York City. (Photo by Dia Dipasupil/WireImage)
Amal Clooney and her husband actor George Clooney arrive for the 2018 Met Gala on May 7, 2018, at the Metropolitan Museum of Art in New York. - The Gala raises money for the Metropolitan Museum of Art Costume Institute. The Gala's 2018 theme is Heavenly Bodies: Fashion and the Catholic Imagination'. (Photo by Angela WEISS / AFP) (Photo credit should read ANGELA WEISS/AFP/Getty Images)
NEW YORK, NY - MAY 07: Gary Oldman and Gisele Schmidt attend the Heavenly Bodies: Fashion & The Catholic Imagination Costume Institute Gala at The Metropolitan Museum of Art on May 7, 2018 in New York City. (Photo by Neilson Barnard/Getty Images)
NEW YORK, NY - MAY 07: Gary Oldman and Gisele Schmidt attend 'Heavenly Bodies: Fashion & The Catholic Imagination' Costume Institute Gala at the Metropolitan Museum of Art on May 7, 2018 in New York City. (Photo by Karwai Tang/Karwai Tang/Getty Images)
NEW YORK, NY - MAY 07: Colin Firth and Livia Giuggioli attend the Heavenly Bodies: Fashion & The Catholic Imagination Costume Institute Gala at The Metropolitan Museum of Art on May 7, 2018 in New York City. (Photo by Jamie McCarthy/Getty Images)
NEW YORK, NY - MAY 07: Cole Sprouse and Lili Reinhart attend the Heavenly Bodies: Fashion & The Catholic Imagination Costume Institute Gala at The Metropolitan Museum of Art on May 7, 2018 in New York City. (Photo by John Shearer/Getty Images for The Hollywood Reporter)
NEW YORK, NY - MAY 07: Thomas Sadoski and Amanda Seyfried attend the Heavenly Bodies: Fashion & The Catholic Imagination Costume Institute Gala at The Metropolitan Museum of Art on May 7, 2018 in New York City. (Photo by Matt Winkelmeyer/MG18/Getty Images for The Met Museum/Vogue)
NEW YORK, NY - MAY 07: Jill Goodacre and Harry Connick Jr. attend the Heavenly Bodies: Fashion & The Catholic Imagination Costume Institute Gala at The Metropolitan Museum of Art on May 7, 2018 in New York City. (Photo by Jamie McCarthy/Getty Images)
NEW YORK, NY - MAY 07: 2 Chainz attends the Heavenly Bodies: Fashion & The Catholic Imagination Costume Institute Gala at The Metropolitan Museum of Art on May 7, 2018 in New York City. (Photo by Neilson Barnard/Getty Images)
NEW YORK, NY - MAY 07: Lynda Carter (R) attends the Heavenly Bodies: Fashion & The Catholic Imagination Costume Institute Gala at The Metropolitan Museum of Art on May 7, 2018 in New York City. (Photo by Kevin Mazur/MG18/Getty Images for The Met Museum/Vogue)
Robert Kraft (L) and Ricki Noel Lander arrive for the 2018 Met Gala on May 7, 2018, at the Metropolitan Museum of Art in New York. - The Gala raises money for the Metropolitan Museum of Arts Costume Institute. The Gala's 2018 theme is Heavenly Bodies: Fashion and the Catholic Imagination. (Photo by Hector RETAMAL / AFP) (Photo credit should read HECTOR RETAMAL/AFP/Getty Images)
NEW YORK, NY - MAY 07: Hailey Baldwin and Shawn Mendes attend the Heavenly Bodies: Fashion & The Catholic Imagination Costume Institute Gala at The Metropolitan Museum of Art on May 7, 2018 in New York City. (Photo by Mike Coppola/MG18/Getty Images for The Met Museum/Vogue)
Doutzen Kroes (L) and a guest arrive for the 2018 Met Gala on May 7, 2018, at the Metropolitan Museum of Art in New York. (Photo by Hector RETAMAL / AFP) (Photo credit should read HECTOR RETAMAL/AFP/Getty Images)
Kris Jenner and Corey Gamble arrive for the 2018 Met Gala on May 7, 2018, at the Metropolitan Museum of Art in New York. - The Gala raises money for the Metropolitan Museum of Arts Costume Institute. The Gala's 2018 theme is Heavenly Bodies: Fashion and the Catholic Imagination. (Photo by Angela WEISS / AFP) (Photo credit should read ANGELA WEISS/AFP/Getty Images)
NEW YORK, NY - MAY 07: Tom Brady and Gisele Bundchen attends the Heavenly Bodies: Fashion & The Catholic Imagination Costume Institute Gala at The Metropolitan Museum of Art on May 7, 2018 in New York City. (Photo by Jamie McCarthy/Getty Images)
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