David Arquette Katy Perry Markus Molinari Nicky Hilton Paris Hilton Russell Brand Shenae Grimes

January 28th, 2012

For the first time since she and Russell Brand split, Katy Perry walked a red carpet.

The blue-haired singer joined designer Markus Molinari for the GiveLove charity event at 1Oak at the Mirage in Las Vegas on Friday.