Happy Birthday, Miley Cyrus!

"Can't Be Tamed" superstar is finally 18 years old! Take a look back at her red carpet highs and lows in our Fashion Spotlight: Miley Cyrus gallery...

Time to party in the USA—Miley Cyrus turns 18 today.

Happy B-day, babe!

The "Can't Be Tamed" singer has just barely entered adulthood, but she's already a red carpet pro, having attended countless movie premieres, music award shows and even the Oscars.

So in honor of Miles' big day, take a look back at all the Hannah Montana star's glamorous—and not so spectacular—red carpet style over the years in our Fashion Spotlight: Miley Cyrus gallery.