Kanye West's 30th Birthday Bash

Kanye West walks hand-in-hand with fiance Alexis Phifer into his 30th birthday bash on Thursday at the Louis Vuitton Fifth Avenue store in New York City. The rapper superstar dressed in half-formal/half-casual attire — tux top and tie with jeans and sneakers!

On his way into the party, Kanye told People: “I’m in my 20s as we speak right now, but at midnight, I’ll be 30. I’m already 30 in Japan and London and everywhere else.”

Other celebrity guests included: Mariah Carey, Rihanna, Pharrell Wiliams, Pete Wentz and Ashlee Simpson

25+ pictures inside of Kanye‘s 30th birthday party….