3/28/2009 in Zac Efron sent Perez Hilton a bottle of champagne and a card for his 31st birthday. Andrew Randall According to E! News, actor Zac Efron, 21, sent gossip blogger Perez Hilton an interesting birthday gift. Hilton was celebrating his 31st birthday, Saturday, at the Viper Room in Hollywood, where he received a bottle of champagne and a note from Efron. The note read, "Perez, Happy Birthday, May this year bring you lots of love, luck, and celebrity meltdowns. Zac." Hilton said of the gift, "Zac Efron just sent a big bottle of champagne to my room and I started freaking out like a little girl! I almost cried; I think I did cry a little bit." The Jonas Brothers sang "Happy Birthday" to Hilton, and Christina Aguilera performed a special routine for the celebrity writer. While Efron was not in attendance, some notables who were there included: Paris Hilton, Doug Reinhardt, Kim Kardashian, Aubrey O'Day, Tara Reid, Heidi Montag and Spencer Pratt. Most of the celebrities had departed by midnight, but Hilton remained, partying in a black kilt and pink Doc Marten boots.