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Those Disney kids know how to party! Zac Efron thrilled his girlfriend, Vanessa Hudgens, when he gathered up 100 of her closest friends and threw her a surprise 21st birthday party Monday night.
Efron escorted the guest of honor to East Restaurant & Lounge in Hollywood and "when she walked in was completely surprised!" a guest at the party told People.com.
The High School Musical cuties partied with costars Ashley Tisdale and Corbin Bleu, while partygoers danced and ate. Efron even gave a speech about his love before she blew out candles on a red velvet birthday cake.
"She seemed overjoyed and grateful for the whole experience," says the guest.
"Zac and Vanessa were adorable together," another guest added. "They were smiling at each other and laughing and are really sweet to each other. Great couple."
Plus: Miley Cyrus Gushes over Zac Efron
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