
After helping Rihanna bag the top spot with her ‘S & M’ cameo, Britney Spears has decided to use the same trick on her current single ‘Till The World Ends‘. She’s gone one better, however, by landing two guest stars – her forthcoming tour support Nicki Minaj and the song’s co-writer Ke$ha. The track has also been given a dubstep makeover, which makes for a quirky addition to Britney’s cannon but isn’t really as exciting as a Britney-Kesha-Minaj sandwich should be:




