The stars were larger than life when they hit the red carpet for the new high-tech horror, Piranha 3D.

PHOTOS: Red Carpet Radar: Piranha 3D Premiere

One of Hollywood’s cutest couples, Rebecca Romijn and Jerry O’Connell – who stars in the fish-frenzy flick – cuddled and giggled for the cameras looking like newly weds, instead of the tired parents of twins.

PHOTOS: Red Carpet Radar: The Switch Premiere

Amongst the other sexy celebs was beautiful Brit Kelly Brook, who oozed glamour and old Hollywood sex appeal in a floor length Ina Soltani gold dress with a dramatic slash up the thigh and Casadei bright red high heels, while Gossip Girl Jessica Szohr added some young blood in a flirty bright red cocktail dress.

Check out the hottest looks of the night in our Red Carpet Radar Style Gallery!