Vanessa Hudgens celebrates her 22nd birthday alone after split from Zac Efron

By DAILY MAIL REPORTER All alone: Vanessa Hudgens celebrates her 22nd birthday at Pure in Las VegasLuckily the singer and actress wasn't all alone - she was joined by her best friends Ashley Tisdale and Brittany Snow who joined Vanessa inside the club for the party. Just last month she was hugging and kissing her boyfriend of four years, Zac Efron, as they waited for their car outside a hotel in