Ashley Tisdale, Vanessa Hudgens, Rachel McAdams

Vanessa Hudgens, Rachel McAdams, The Rock and more step out for a Hollywood premiere; Kat Von D debuts her art for Sephora; Daniel Radcliffe gets a surprise marriage proposal from an adoring fan on the red carpet at The Grove; Reggie Bush makes his foray into DJing at Wilmer Valderrama's birthday throwdown at Greystone Manor—get the details on who was partying where on Thursday in L.A. to get a head-start on the weekend in this edition of Last Night's Parties! More»

Anna Faris, Chris Evans, Emmy Rossum, and Dave Annable step out for the premiere of the new film that ponders the true love and sluttishness in What's My Number?; Hugh Hefner, Jane Fonda, and Carrie Underwood honor Smokey Robinson for his many achievements in music at the 2011 Ella Awards—Hollywood was still feeling the pain from Sunday night's Emmy festivities, but not everyone was too hungover to step out for some fun, so get all the details on Monday's party warriors in this edition of Last Night's Parties. More»

[Timothy Olyphant, Milla Jovovich. Photos by ANDREAS BRANCH for PMc and via Getty]. Thrill seekers and Tom Everett Scott (star of my pre-teen dreams and That Thing You Do!) descended on the ArcLight Cinemas Cinerama Dome in Los Angeles as Rogue Films premiered "A Perfect Getaway." More»