"Saturday Night Live" has announced its first two celebrity hosts and musical guests for next year. On January 9, basketball great Charles Barkley will host with Alicia Keys performing. This will be Barkley's second time hosting. The following week, "Avatar's" Sigourney Weaver will take over, with musical guest The Ting Tings. It's been a rough … Continue reading First look at 'Saturday Night Live' 2010 lineup