Happy 20th Birthday, Shailene Woodley!

Shailene Woodley gets all gussied up in Dolce & Gabbana as she steps out at the premiere of The Descendants held at AMPAS Samuel Goldwyn Theater on Tuesday night (November 15) in Beverly Hills, Calif.

The Secret Life of the American Teenager star also celebrated her 20th birthday! Happy Birthday, Shai!

PHOTOS: Check out the latest pics of Shailene Woodley

Costar and BFF Megan Park tweeted out, “Today I get to watch my best friend turn 20 & watch her film premiere which may win her an Oscar. I’m pretty damn proud today. Love you Shai.”

So sweet! 15+ pics inside…