The 15-year-old Stranger Things actress attended the event held on Sunday (January 19) at the Shrine Auditorium in Los Angeles.
She paired her long-sleeve white dress with a matching pair of pants and heels, styling her hair in a sleek ‘do.
Millie is presenting tonight, and she and her Stranger Things co-stars are nominated for Outstanding Performance by an Ensemble in a Drama Series.
The SAG Awards honor the best performances in film and television and only actors vote for who wins. Make sure to tune in tonight at 8pm EST / 5pm PST on TNT and TBS.
FYI: Millie Bobby Brown wearing custom Louis Vuitton with Cartier jewelry.