Julianne Hough: Miami Bikini Babe

Julianne Hough shows off her bikini bod as she goes jet skiing on Saturday (July 30) in Miami, Fla.

The 23-year-old entertainer was joined by her brother, Derek, and her good friend, Ashley Tisdale! Ashley and Julianne have been friends for a few years.

PHOTOS: Check out the latest pics of stars in bikinis

Ash arrived in town on Friday to hang out with her boyfriend, Scott Speer, who is directing Step Up 4 in Miami.

Julianne is gearing up for the release of Footloose and has been in Miami working on her latest project, Rock of Ages.