Lady Gaga opened up the 2010 Grammys with lots of glitz, glamor, and "Poker Face". Then she slowed things down and performed alongside Sir Elton John--though there was still a quiet battle going on between both musicians'...

By taking a list of rhyming Barack Obama quotes, pitch shifting them into a melody, and inserting silly Obama Girl lines, BarelyPolitical.com has cleverly created this catchy and humorous duet between the newly sworn-in 44th...

What's the best way to win X-Factor? If you're Alexandra Burke, pull Beyonce in for a duet and blow away the crowd. Never mind that Beyonce pretty much steals the show from a crying and bubbly Alexandra. The 20-year-old took...

Always on the hunt for a fresh sound, pop veteran Madonna teamed up with JT on her newest album, Hard Candy, and dishes to Interview magazine on what it was like to work with one of the industry's top impresarios.

You've survived Black Friday so now it's time to get into the holiday groove with Jimmy Fallon and Jack Black. The comedy duo might not be raising money to feed the children like Bob Geldof, but they pull off a great cover of...

We believe it was Diamond who once said, "you don't bring me a condom filled with scorpion venom...anymore." Will Ferrell's FunnyOrDie.com presents a never-before-aired skit from the SNL vaults. Imagine a match made in the...