Congratulations are in order for Brie Larson, who is engaged to longtime boyfriend Alex Greenwald! Alex, the 36-year-old lead singer of Phantom Planet, reportedly popped the question to his 26-year-old Oscar-winning girlfriend during a romantic trip to Tokyo in March. Brie famously gave her boyfriend of several years a shout-out in her best actress speech at the Oscars. After winning for her emotional role in Room, she thanked her "real partner, Alex Greenwald. I love you, the whole thing!" So exciting!