Paris Hilton to return to the Letterman show for another appearance

Paris Hilton had a rather uncomfortable experience the last time she appeared on David Letterman's talk show — but not uncomfortable enough to keep her from coming back. Hilton will appear on "The Late Show With David Letterman" on February 1, according to TMZ. During Hilton's September 28 visit, Letterman asked questions about the heiress' stint in prison and wouldn't let up. It will be Hilton's sixth appearance on the show. In other Hilton news, Us Weekly caught up with the celeb at Sundance to ask about her on-and-off friend Britney Spears. "She's such a sweet girl when I'm alone with her; she's a completely different person than she's made out to be," Hilton told Us. "And I love her. I think she's very sweet and has a big heart. She's amazing." The "Simple Life" star wished the best for the troubled pop star. "I just want her to be happy," she said. "I think everything's going to be OK." ...