Lifestyle Style Sydney Sweeney Says It's a Struggle to Find Clothes That 'Fit My Boobs' The actress also shared that she's grateful for brands that are willing to make alterations to her red carpet looks in a new interview with "Glamour UK" By Ingrid Vasquez Ingrid Vasquez Ingrid Vasquez is a Digital News Writer at PEOPLE. She graduated from The University of Texas at Austin with a Bachelor in Journalism. Before joining the team, she worked as an Editor at FanSided and provided work in the celebrity and lifestyle space for brands that include Teen Vogue, Cosmopolitan, EW, and more. People Editorial Guidelines Published on December 19, 2023 06:22PM EST Sydney Sweeney at the New York Premiere of "Anyone But You" . Photo: Dia Dipasupil/Getty For Sydney Sweeney, red-carpet fashion comes down to one thing — confidence. The Anyone But You star, 26, revealed to Glamour UK that she feels most comfortable on the red carpet when she gets to alter her dresses to fit her chest and body better. "I'm always so appreciative to both Miu Miu and Armani because they will remake dresses for my boobs. And a lot of times, when I see trolls online slamming me, or whoever is styling me for things that don't fit my boobs, it's because it's samples," Sweeney said. Sydney Sweeney Wears 10 Bombshell Looks in 48 Hours for Anyone But You Press Tour: See Her Wardrobe The actress explained that fitting into sample sizes is difficult due to the inability to "cut or alter stuff" and said she's often "forced to fit in something that doesn't fit me and it won't look right." "So whenever I get to wear Miu Miu, Armani, or when a brand is letting me reconstruct the top or rebuild it or alter something, that's when it looks better," she continued. "That's when you see I look more confident and happy on the carpet as well." At the Anything But You New York premiere on Dec. 11, Sweeney radiated on the red carpet in a custom Miu Miu gown embellished with raindrop crystals. The sheer number was accessorized with a black belt and silver heels. Sydney Sweeney Wears Her Most Daring Look Yet to ‘Anyone But You’ Australian Premiere Sydney Sweeney wears Miu Miu gown at "Anyone But You" premiere. Dia Dipasupil/Getty Of the film, Sweeny previously told PEOPLE that she was "excited for it to come out" due to her experience filming with co-star Glen Powell. "It was just laughter 24-7. Literally, we were just having a great time every day. It was a really, really fun experience," she told PEOPLE in May. The film — out Dec. 22 — finds the two ultimately falling in love after reuniting years after college graduation. It's been a busy year for Sweeney, who, in January, was chosen to be the face of Armani Beauty's MY WAY fragrance campaign. The Euphoria actress said on Instagram that it was "the most beautiful experience filled with adventures and friends" and received praise from Giorgio Armani. Never miss a story — sign up for PEOPLE's free daily newsletter to stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human interest stories. "I was immediately struck by Sydney's energy and fresh attitude, which show in her open, genuine smile. She has determination and talent and is one of the most versatile and magnetic young actors of the moment," he said in a press release.