Zac Efron’s 21st Birthday Party Night

Fresh off of the big Los Angeles premiere of “High School Musical 3: Senior Year,” Zac Efron and friends headed out in Hollywood to ring in his 21st birthday on Saturday night (October 18). Starting off at Pace nightclub, fellow partygoers included Zac’s co-star girlfriend, Vanessa Hudgens, along with pals Monique Coleman, Ashley Tisdale, Jared Murillo, Brittany Snow, Amanda Bynes, Aly and AJ Michalka and Michelle Trachtenberg.
	Published: 2008-10-19 Provider: Celebrity-Gossip.net
Keywords: zac efron, 21st birthday party, vanessa hudgens, ashley tisdale, michalka sisters, amanda bynes, hollywood gossip