Wireimage.com

On the heels of her split with British bad boy Russell Brand, music sensation Katy Perry looks happy and far from blue, except for her hair that is.

The smiling superstar co-hosted the GiveLove charity event with J. Molinari Jewelry designers Markus Molinari (pictured) and Jason Arasheben during the Grand Opening weekend of 1 OAK Las Vegas at The Mirage, Sin City’s newest hot spot.

The “Waking Up In Vegas” singer, along with Markus and Jason, presented a check to the charity’s co-founders, Patricia Arquette and Rosetta Getty, as well as board-member David Arquette before heading inside the party to join the 1 OAK owners, Richie Akiva and Scott Sartiano as well as 1 OAK Las Vegas managing partner Eli Pacino.

 Keep clicking on the image to see Katy’s wild shoes.