Ashley Tisdale's Beach Birthday Bash With Zac Efron!

As she was busy ringing in her 26th birthday, Ashley Tisdale got quite the welcome surprise when former "High School Musical" co-star Zac Efron turned up for the festivities.Enjoy the pictures of Zac Efron and Ashley Tisdale on the beach in Malibu, CA (July 2).

Photo Credit: GinsburgSpaly