If kissing Rihanna wasn’t enough for Britney Spears, the pop singer has also been going after Kellan Lutz. Oh? Yeah!So does Spears’ boyfriend Jason Trawick have anything to worry about?No. Sources confirm that the Twilight hunk was offered to play the pop singer’s steamy boy-toy in the video for her third single, “I Wanna Go.” However, Mr. Lutz politely declined.
