Grammy Awards 2012

10 Most Outrageous Grammy Performances

Gwyneth & Cee Lo! Elton & Eminem! Relive the musical mashups that had you talking long after the show

4. GWYNETH PALTROW, CEE LO GREEN & THE MUPPETS (2011)

Who knew they were birds of a feather? Green shared the Grammy stage with the actress and a troupe of Muppets to perform his rollicking anthem "Forget You." It was weird. It was colorful. And viewers seemed to love it.