• TV Guide reports that Michelle Trachtenberg will head to Gossip Girl [1] to play a nemesis from Serena's past.
• The Sci-Fi Channel has signed Rosario Dawson to develop True Believer, the pilot for a proposed series [2] based on a comic book she co-created, Variety reports.
• Billboard reports that the Dave Matthews Band and Tom Petty & the Heartbreakers will headline the first Mile High Music Festival [3] in July in Commerce City, Colorado.
• ComingSoon reports on the all-star cast — including Gerard Butler, America Ferrera and Jonah Hill, among others — set to provide voices [4] for the 3-D animated movie How to Train Your Dragon.
• Anton Yelchin will play Kyle Reese [5] in the next Terminator movie, writes The Hollywood Reporter.
• Ellen DeGeneres will return for a second year as host of Idol Gives Back [6], Broadcasting & Cable reports.
• Snoop Dogg's latest album had his lowest first-week sales total ever [7], finishing at No. 3 on the charts and being beaten by Miami rapper Rick Ross and a NOW compilation, Billboard reports.
• The Hollywood Reporter has news on the cast set up so far for the gay wedding comedy For Better or for Worse [8], which includes Janeane Garofalo, Rebecca Gayheart and new mom Soleil Moon Frye.
• 3:10 to Yuma [9] director James Mangold will helm a Cyclops movie [10], ComingSoon reports.

Source [11]