Some of Hollywood's most celebrated A-list stars jetted off to Paris this week for Haute Couture Fashion Week, where Katy Perry, Celine Dion, Natalie Portman and Jennifer Lawrence were among the celebs to take in all of the wild fashions. Whether walking into shows of grabbing a bite to eat between events, our favorite stars donned their most chic looks for the occasion.
Elsewhere, Jennifer Garner, Nick Jonas, Courtney Stodden and Ben Affleck went about their business as usual at home in Los Angeles, while sisters Kate and Pippa Middleton took in some tennis at Wimbledon on separate days.
More of our favorite celebrity sightings came from Niall Horan, Bella Hadid, Kristen Stewart and Kendall Jenner.
See the best celebrity sightings of the week in the gallery below:
Celeb Spotter 024: Jennifer Lawrence, Courtney Stodden and Natalie Portman
Celeb Spotter 024: Jennifer Lawrence, Courtney Stodden and Natalie Portman
Jennifer Hudson rocked her performance at the Stand Up to Cancer concert at Masterpass House on July 8, 2017 in Miami Beach, Florida. Hudson was a knockout in a leather mini and her hair slicked bak. (Credit: Getty)
Wilmer Valderrama hit the Haute Living Miami party celebrating his pal and cover star J Balvin. The fancy soiree was in collaboration with Buchanan Whisky at Matador Room in Miami. (Credit: Getty)
Josh Duhamel hit the Esurance All-Star Game Challenge this weekend and crushed it with his A-list baseball skills. "Today was a great day. I had so much fun at the Esurance All-Star Game Challenge! I hung out with Hall-of-Famer Pudge Rodriguez and fellow baseball fans at FanFest. Oh and I crushed 'Take me out to the ball game,'" Duhamel said. (Credit: Michael Simon/ STARTRAKSPHOTO.com)
Aw, like father, like son! Thomas Rhett surprised fans in St. Louis at the Budweiser brewery with an impromptu set alongside his father singer/songwriter Rhett Akins to celebrate the beer brand’s new state packaging. Talk about a cute duo.
Carrie Underwood brought down the house with an incredible concert for American Airlines and MasterCard Priceless Surprises at the Orpheum Theater in Los Angeles. (Photo by Christopher Polk/Getty Images for Mastercard)
"Twilight" star Taylor Lautner partied with his pals on July 4 at the 4th Annual ‘Red, White and Bootsy’ July 4th Bash, presented by The h.wood Group, powered by Pacsun, with specialty sips by Absolut Elyx, Perrier Jouet, and Avion Tequila, at Nobu Malibu.
Natalie Portman looked super sexy at the Dior fashion show in Paris. (Photo by Pierre Suu/GC Images)
Courtney Stodden was spotted out with her dog in a revealing bra top and mini shorts. (Photo by BG002/Bauer-Griffin/GC Images)
Chanel Iman looked hot to trot in a set of white jeans and a matching crop top at the 4th Annual ‘Red, White and Bootsy’ July 4th Bash, presented by The h.wood Group, powered by Pacsun, with specialty sips by Absolut Elyx, Perrier Jouet, and Avion Tequila, at Nobu Malibu.
Heidi Klum rocked a sexy silk dress while out doing "Project Runway" promo this week. (Photo by Raymond Hall/GC Images)
Pink stepped out with her family, Jameson, Willow and husband Carey Hart in NYC. (Photo by Ignat/Bauer-Griffin/GC Images)
Jennifer Lawrence flashed her undergarments during Paris Haute Couture Fashion Week this week. (Photo by Marc Piasecki/GC Images)
Nick Jonas showed off his toned arms while out in LA. (Photo by PG/Bauer-Griffin/GC Images)
Celine Dion struck a post for paparazzi in Paris. (Photo by Marc Piasecki/GC Images)
Jennifer Garner went super casual with wet hair while out and about in Los Angeles. (Photo by BG004/Bauer-Griffin/GC Images)
Bella Hadid rocked a stunning orange gown at the Vogue Foundation Dinner during Paris Haute Couture Fashion Week. (Photo by Danny Martindale/GC Images)
Kristen Stewart looked like the epitome of cool while walking into the Chanel show at Paris Haute Couture Fashion Week. (Photo by Danny Martindale/GC Images)
Kesha was spotted at LAX on the heels of her first single release in years on Thursday. (Photo by starzfly/Bauer-Griffin/GC Images)
Grey Goose toasts Rosario Dawson and Studio 189 at with a private dinner at The Surf Lodge in Montauk, New York.
Ben Affleck was spotted enjoying Fourth of July with his family. (Photo by BG004/Bauer-Griffin/GC Images)
Carrie Underwood performs live exclusively for American Airlines AAdvantage Mastercard cardmembers at The Orpheum Theatre in LA.
(Photo by Christopher Polk/Getty Images for Mastercard)
Country singer Jennifer Nettles sings with 4-H member, 13-year-old Callista Clark, during sound check as part of a 4-H Alumni Day in the Life experience where Jennifer provided the opportunity for the up and coming singer to learn the ins and outs of preparing for a show.
(Credit: AP Images for National 4-H Council)
Pippa Middleton was pretty in pink at Wimbledon this week. (Photo by Neil Mockford/GC Images)
Kylie Jenner had dinner with her boyfriend Travis Scott in London and showed off her new ankle tattoo. (Photo by Ricky Vigil/GC Images)
Vanessa Lachey was spotted at her local pharmacy grabbing Nature’s Bounty Hair, Skin & Nails Gummies.
(Credit: Michael Simon for Nature's Bounty® Hair, Skin & Nail Gummies)
Jennifer Lawrence rocked an unexpected look while attending the Dior show in Paris. (Photo by Pierre Suu/GC Images)
Niall Horan took selfies with fans waiting for him at Narita International Airport in Japan. (Photo by Jun Sato/GC Images)
Pamela Anderson took a vegan lunch to her friend Julian Assange at the Ecuadorian Embassy in London. (Photo by Neil Mockford/GC Images)
Bella Hadid and Kendall Jenner stepped out together in Paris. (Photo by Marc Piasecki/GC Images)
Zendaya Coleman rocked a unique ensemble full of earth tones in Paris. (Photo by Marc Piasecki/GC Images)
Kourtney Kardashian rocked a plunging crop top and a sweatsuit at LAX. (Photo by starzfly/Bauer-Griffin/GC Images)
Olivia Palermo looked adorable while walking around Paris this week. (Photo by Timur Emek/Getty Images)
Bella Hadid went old school in this plaid, knotted shirt in Paris. (Photo by Marc Piasecki/GC Images)
Model Winnie Harlow looked chic while heading to a show at Paris Haute Couture Fashion Week. (Photo by Timur Emek/Getty Images)
Age-defying model Claudia Schiffer rocked a fun jumpsuit while attending a fashion show in Paris. (Photo by Danny Martindale/GC Images)
Katy Perry brought her mother, Mary, to a fashion show in Paris this week. (Photo by Danny Martindale/GC Images)
Nicole Scherzinger rocked a sexy red dress after filing an episode of "X Factor" in the UK. (Photo by Ricky Vigil/GC Images)
Cara Delevingne continued to show off her chic new buzzed hairdo while running around Paris. (Photo by Jacopo Raule/GC Images)
Pharrell Williams and Helen Lasichanh continued to push boundaries at the Chanel fashion show in Paris. (Photo by Pierre Suu/GC Images)
Tilda Swinton put on a bold display while walking into the Chanel show in Paris. (Photo by Jacopo Raule/GC Images)
"Hot Mug Shot Guy" Jeremy Meeks was hot as ever waiting at LAX this week. (Photo by starzfly/Bauer-Griffin/GC Images)
Former "Glee" star Amber Riley flashed her 100-watt smile while out in a sexy look in LA. (Photo by SMXRF/Star Max/GC Images)
Katy Perry stepped out in Paris this week in a flesh-toned ensemble. (Photo by Marc Piasecki/GC Images)
Kate Middleton showed off a fun new hairdo at Wimbledon. (Photo by Karwai Tang/WireImage)
Kendall Jenner left a restaurant in a chunky yellow sweater in Paris. (Photo by Marc Piasecki/GC Images)
Ireland Basinger-Baldwin celebrated 4th of July weekend a in Swimsuits For All one-piece out in Montauk.
Priyanka Chopra waved to the paparazzi outside of a Paris Haute Couture Fashion Week show. (Photo by Danny Martindale/GC Images)
Hilary Duff stepped out in LA for some coffee and shopping this week. (Photo by BG004/Bauer-Griffin/GC Images)
Model Emily Ratajkowski channeled her surroundings in London with a jumpsuit and fun newsboy cap. (Photo by GORC/GC Images)
Fergie looked preppy while out in LA. (Photo by BG004/Bauer-Griffin/GC Images)
Nicky Hilton Rothschild irocked a pretty lilac ensemble at the Valentino fashion show during Paris Fashion Week - Haute Couture. (Photo by Jacopo Raule/GC Images)
Ireland Basinger-Baldwin, professional surfer Quincy Davis, and model Diana Veras were seen celebrating Fourth of July weekend together in Swimsuits For All bikinis out in Montauk.
The three ladies have very different body types – Ireland slimmer, Quincy athletic, Diana curvy – yet each of them looked equally stunning and confident in the brand’s swimwear and cover ups. They were spotted surfing on the beach, going for a bike ride, lunching at Lobster Roll, and hanging out poolside at Montauk Beach House.
Anna Wintour was spotted taking in the action at Wimbledon. (Photo by Neil Mockford/GC Images)