Bikini Shot of the Day: Ashley Olsen Serves Up Some Skin—and a Smile—in Maui

Famous twin is spotted happily enjoying her Hawaiian vacation while sporting a colorful two-piece

Former Full House star Ashley Olsen may now be best known for making her mark in the fashion world, along with twin sister Mary-Kate.

But who knew that under all those layers of clothing, behind her sometimes-outrageous style, was a hot bikini bod?!

Well, that's just what the onetime child star revealed while taking a dip off the coast of Maui last week.

What's more, the 25-year-old Olsen also threw in something we rarely have the pleasure of seeing—a smile.

Bonus!