The Pussycat Dolls and Rihanna are superbad chicks, but who’s the baddest? Both artists have recorded versions of the Polow Da Don-produced banger “Bad Girl.” Rihanna’s song surfaced last month and featured a rap from Chris Brown. Now the PCD (or Nicole Scherzinger) version is out. Listen to both below.

• The Pussycat Dolls – “Bad Girl”
• Rihanna f/ Chris Brown – “Bad Girl”