Katy Perry arrives at the Radio One Studios in London at 1am in the morning after finishing a gig at the Hammersmith Apollo. She was guesting on BBC Radio One's longest ever show in aid of Comic Relief in which Chris Moyles was on air for 37 hours. She left at 1.30 wearing the iconic Comic Relief red nose.. (PacificCoastNews.com)more pics » Katy Perry Katy Perry
looks sleek in a silver cocktail dress with peacock feather embroidery. The Matthew Williamson was perfectly quirky for the starlet.
Katy wore yellow platforms for a pop of color. Her hair was styled in thick curls.
We've spotted other celebrities with a similar look, including Kim Kardashian, Emily Deschanel, and Taylor Swift. Check out all 2232 pictures in the Cocktail Dress Lookbook
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