That's certainly not boyfriend, Ryan Seacrest, that Julianne Hough is locking lips with. But the 'American Idol' host shouldn't fret -- Hough got her flirt on with co-star, Diego Boneta, while the
two were on-set of their forthcoming flick, 'Rock of Ages,' according to Just Jared.
Hough rocked a purple high-cut bikini while Boneta sported an interesting water garb choice -- jeans. The pair also caught some rays as they relaxed on the beach between takes.
"Rise and Shine! It's the first day of shooting #rockofagesmovie @Adammshankman & @Diegoboneta are you ready to get your love montage on? :)" the former 'Dancing with the Stars' pro tweeted before heading to the Miami beach.
We wonder what Seacrest thinks of Hough's steamy on-screen trysts.
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