Zac Efron makes “getting old” look good! The Baywatch actor turned 34-years-old on Oct. 18 and celebrated the big day by showing off his ripped body in a wet shirtless photo posted to his Instagram. “It’s my bday again? I’m getting old now- thanks for the bday wishes everyone I love you,” Efron wrote in the caption to the photo, which was taken in Thailand. “I am so lucky to be able to be on this amazingly fun ride with you all.”