Brianne Tju Is a Vision In White at '47 Meters Down: Uncaged' Premiere

Brianne Tju wears a beautiful white dress at the premiere of her new film 47 Meters Down: Uncaged held at Westwood Regency Theater on Tuesday (August 13) in Westwood, Calif.

The 21-year-old actress stars as Alexa in the new thriller.

Brianne‘s Light as a Feather co-stars Haley Ramm and Liana Liberato came out to support her, and were seen greeting fans and signing autographs on their way in to the premiere.

“Got to see @47metersdown with my friends and family last night and I can’t wait for you guys to watch it. So proud of this movie ❤️🦈 Get ready to never want to go in the ocean again,” Brianne wrote on Instagram.

FYI: Brianne is wearing an Abyss By Abby dress.