Julianne Hough: Bikini Scenes for 'Rock of Ages'!

Julianne Hough gets very close with her Rock of Ages co-star, Diego Boneta, as they begin work on the film Monday (May 23) in Miami, Fla.

The 22-year-old actress showed off her bikini bod in a purple swimsuit with neon detailing!

Julianne and Diego kissed in the water for one scene and relaxed in the sand in between takes.

“Today was so much fuuuuuuuuuuuun! I love you #rockofagesmovie :)” Julianne tweeted at the end of the day.

15+ pictures inside of Julianne Hough and Diego Boneta filming Rock of Ages scenes at the beach…