October 23, 2008 5:44 pm US Weekly Hot in Hollywood Party Vanessa Hudgens and Ashley Tisdale congratulate Zac Efron on his Star of the Year award. Plus, see what other “Hot” stars attended, including some of your favorite “Gossip Girl” cast! US & World Videos 2:38 Former Pres. Trump, supporters return to Butler, Pa. for rally 1:38 Former Pres. Trump returns to site of assassination attempt to rally supporters 2:14 Bay Area family returns from Lebanon 1:58 Dolly Parton announces massive donation to hurricane Helene relief 7:07 Mariska Hargitay wasn't allowed to touch her Olivia Benson costume in the Smithsonian