The movie trailer of Step Up 3 has been released online:

STEP UP 3D
Plot:
“New York’s intense street dancing underground comes alive in eye-popping Digital 3D in the third installment of the “Step Up” franchise as the raw, passion-fueled culture goes global. A tight-knit group of street dancers, including Luke (Rick Malambri) and Natalie (Sharni Vinson), team up with NYU freshman Moose (Adam Sevani), and find themselves pitted against the world’s best breakdancers in a high-stakes showdown that will change their lives forever.”

The movie Step Up 3D is directed by Jon M. Chu and is starring Adam Sevani, Alyson Stoner, Rick Malambri, Sharni Vinson, Keith “Remedy” Stallworth, Kendra Andrews, Stephen “tWitch” Boss, Joe Slaughter. The film will open in theaters on August 6, 2010.
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