Katy Perry brought sci-fi dressing to the 11th Breakthrough Prize Ceremony at Santa Monica's Barker Hangar on April 5 wearing ...

Specifically, she was rocking a silver, sparkling dress with a floor-trailing hem which featured a major cutout snaking from ...

Katy Perry made sure all eyes were on her as she attended the Breakthrough Prize Ceremony in California, where she sported a ...

Katy Perry, Jessica Alba and others embrace skin-baring looks, as the temperature continues to rise. Perry wore a revealing ...

Katy Perry has been ... but Katy's dress was still among the most show-stopping. Specifically, she was rocking a silver, sparkling dress with a floor-trailing hem which featured a major cutout snaking ...

Katy Perry appeared to take ... the sparkly dress also brought the drama as Perry turned around. She showed off a large back cutout that bared her entire back except for a strip of fabric running ...

Katy Perry appeared ... to her right hip. Getty Images Styled with a matching headpiece that wrapped around her hair and neck, the sparkly dress also brought the drama as Perry turned around. She ...