While only rumors for now, Clarkson caused a great deal of speculation over the last few weeks when she missed 10 episodes of ...

Everyone loves a good "Kellyoke" session from Kelly Clarkson ... to out do herself on her own songs!!" one person wrote in the comments. "This is one of your greatest performances ever.

The singer and talk show host has previously performed renditions of Foo Fighters' "Times Like These" and "All My Life" ...