Sydney Sweeney Thrills In Plunging Swimsuit On 'Little Trip To Mars'
By Evie Scott on September 18, 2025 at 2:00 PM EDT

Sydney Sweeney is bouncing back from her August American Eagle drama with new swimsuit photos. The actress, 28, updated her Instagram last weekend, showing off her "little trip to Mars" while flaunting her sensational bikini body. Stripping down to multiple bathing suits during a getaway with friends, The White Lotus star enjoyed dramatic scenery as she offered fans another view, and with a swimsuit this low-cut, it was a revealing one. Flashing her killer cleavage, Sydney included plenty of fun as she shared her weekend, one complete with cookie baking. Fans left the 28-year-old over 1 million likes in four hours.
Sydney Sweeney Stuns On 'Mars' In Tight Swimsuit
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Scroll for the photos. Posing from a lake rock and backed by dramatic canyon scenery, Sydney sent out futuristic vibes in her opening slide, posing in a plunging black swimsuit that perfectly flattered her fit figure.
The Hollywood star, who packed on muscle for her latest Christy movie, highlighted her toned legs and killer hips, looking fierce in shades while driving her 25 million followers to swipe right.
See More Photos Below!
Sydney Sweeney sizzles in cheeky bathing suit snaps from birthday getaway https://t.co/hJbsQuWEwM pic.twitter.com/MHsAwuPDb9
— Page Six (@PageSix) September 14, 2025
Sharing more of the scenery she was enjoying, Sydney struck a pose from a yacht in her second photo, this time folding one leg as she pouted and threw one arm up in the air. The Armani Beauty ambassador was joined by a girlfriend here, with further slides showing her surrounded by a crowd as she sped around on a jet ski and cozied up indoors with some cookie dough. Sydney and her friends had clearly been busy in the kitchen, with one slide showing tons of cookie bases in pans.
Sydney also snuck in a white swimsuit look and sparkly gold bikini moment, with some images showing her going all Western in a cowboy hat. "Little trip to Mars," she wrote.
Bikini Bombshell Turns 28!
Sydney Sweeney pic.twitter.com/9TfRovgrGQ
— JumpTrailers (@JumpTrailers) September 14, 2025
Sydney had clearly celebrated her birthday in style, likely booking herself and her friends some sweet digs to celebrate.
"Little cutie! Keep shining beautiful," one fan replied. "Happy birthday superstar," another said. Early replies to the post were positive, with very few mentions of Sydney's massive PR storm. In August, the blonde dominated headlines with her controversial American Eagle ad, going all "Sydney has good jeans" for the apparel label. Sydney saying she has "good genes" didn't go down well, though, given that she's white, blonde, and blue-eyed.
Eye-Popping In Braless Pink Dress For New Movie
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Shortly before her birthday, Sydney Sweeney squeezed her curves into this pink corset dress, going slinky and skintight with a heaving neckline. She donned the braless number for the premiere of Christy while attending the Toronto International Film Festival.
"I am there to support my movie and the people involved in making it, and I’m not there to talk about jeans. The movie’s about Christy, and that’s what I’ll be there to talk about," Sydney told Vanity Fair while confirming she wouldn't discuss American Eagle during the festival.