The 29-year-old troubled singer received a hug and a wet pep on the cheek from R&B star as they together performed on the awards night at Las Vegas.
The Barbados born singer kissed Britney after they performed on her hit S&M.
Britney did it Again!
Some eight years ago Britney Spears locked her lips on stage with Madonna to shock the world and she repeated it with Rihanna at the Billboard music awards on Sunday.
