Sandra Bullock's Hit Movie While You Were Sleeping Turns 20

PEOPLE’s 2015 World’s Most Beautiful Woman, Sandra Bullock, opens up in her most revealing interview ever. Subscribe now for instant access to this exclusive interview, plus almost 200 more breathtaking beauties, only in PEOPLE!

Happy Birthday, Sandra Bullock! See Our Five Favorite Movie Roles

It might be hard to believe, but Sandra Bullock turns the big 5-0 on Saturday.

In the course of her 20 years of stardom, Bullock has played everything from a duplicitous CTA token collector to a death-defying astronaut, while never sacrificing an ounce of the charm that made her America’s Sweetheart. (Well, except maybe in Crash, but that was on purpose.)

In honor of Bullock hitting the half-century mark, let’s look back at our five favorite roles.

Lucy, While You Were Sleeping