Ariana Grande, 28 Pop Singer Justin Bieber, 27 Pop Singer Harry Styles, 27 Pop Singer KSI, 28 YouTube Star Lauren Riihimaki, 28 YouTube Star Debby Ryan, 28 TV Actress Niall Horan, 28 Pop Singer Meghan Trainor, 28 Pop Singer Liam Payne, 28 Pop Singer Wolfie, 28 YouTube Star Karina Garcia, 27 YouTube Star Miranda Cosgrove, 28 TV Actress Lucas Cruikshank, 28 YouTube Star Ali-A, 28 YouTube Star Alfie Deyes, 28 YouTube Star Adam Saleh, 28 YouTube Star JHope, 27 Rapper Perrie Edwards, 28 Pop Singer Inanna Sarkis, 28 YouTube Star Maia Mitchell, 28 TV Actress Bad Bunny, 27 Rapper Natalies Outlet, 27 YouTube Star Booboo Stewart, 27 Movie Actor Nikkie De Jager, 27 YouTube Star Carter Sharer, 28 YouTube Star Clarence White, 28 Instagram Star Leah Ashe, 28 YouTube Star Elizabeth Gillies, 28 TV Actress Maluma, 27 Reggaeton Singer Prettyboyfredo, 28 YouTube Star Christian DelGrosso, 28 YouTube Star Sierra Furtado, 28 YouTube Star Ansel Elgort, 27 Movie Actor Desmond English, 28 YouTube Star Mark Dohner, 28 YouTube Star Gilmher Croes, 28 TikTok Star Famous Dex, 28 Rapper Pete Davidson, 28 Comedian Raini Rodriguez, 28 TV Actress SmallishBeans, 28 YouTube Star Cher Lloyd, 28 Pop Singer JianHao Tan, 28 YouTube Star Ally Brooke, 28 Pop Singer Jacquees, 27 R&B Singer TimTom, 27 YouTube Star Keke Palmer, 28 Movie Actress GoldenGlare, 28 YouTube Star Jessii Vee, 27 YouTube Star View More 27 Years Old Celebrities