Britney Spears, the troubled pop star, is being tipped as a future Queen of England following Prince William's split from girlfriend Kate Middleton. Spears, who is reportedly dating basketball star Luke Walton, is being named as a possible replacement by British bookmakers.Odds of 20-1 are being placed on Britney and the future King getting together, following previous email exchanges between them in 2002.Other possibilities, according to MTV, are Paris Hilton and Kylie Minogue, both with odds at 14-1.