ContactMusic — Rihanna called Britney Spears "one of the biggest worldwide popstars" after the duo teamed up for a remix of the R&B star's hit single 'S&M', reports Billboard. Rihanna tweeted a message to Britney to praise her for appearing on the highly... more info

People.com — The singers team up for a remix of Rihanna's hit song "S&M" more info

Popeater — Filed under: Music News, Sex That's SFW, Britney Spears, Rihanna Rihanna isn't the only one excited by chains and whips -- Britney Spears wants everyone to know she likes it too. You're not alone if you didn't exactly expect Britney to jump onto s... more info

Pop Crunch — Grammy winners Britney Spears and Rihanna are teaming up to collaborate on a remix of RiRi’s “Too Hot for Radio” hit “S&M.” The pop princesses confirmed the news over the [...] more info

Yahoo! Music UK — world entertainment news - Pop superstars Rihanna and Britney Spears are teaming up to work on a remix of the Umbrella singer's hit track S&M. more info

ContactMusic — Pop superstars Rihanna and Britney Spears are teaming up to work on a remix of the Umbrella singer's hit track S&M. The Bajan beauty revealed the news in a series of posts on her Twitter. com page on Sunday (10Apr11), telling fans, "I got a sex... more info

NME — Both singers tweet about forthcoming release more info

MTV.co.uk News — Rihanna and Britney Spears have confirmed that they will be collaborating on a remix of the Barbadian beauty's racy tune, S&M.The two singers took to Twitter to announce their duet, with the... more info

ContactMusic — Britney Spears and Rihanna have teamed up for a track. 'Hold It Against Me' hitmaker Britney appears on a remix of Rihanna's recent raunchy single 'S&M', with the Barbadian singer promising the results are "sexy". She tweeted "I got... more info

Gigwise — On 'S&M' track... more info