Christina Aguilera on GMTV, Taylor Swift and Katy Perry Duet, Ricky Martin Nude Video 2010-04-16 15:17:11

PSR 4/16/10: Christina on Max & Music, Taylor & Katy Duet, & Ricky Joins Singers Stripping Down

Christina Aguilera says motherhood makes her feel sexy, Katy Perry makes a surprise appearance at Taylor Swift's concert for a duet, and Ricky Martin joins Britney Spears and Alanis Morissette as musicians who strip down in videos. Be sure to follow us on Twitter and become a fan on Facebook for all the latest celebrity gossip!

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