Liv Ciara and Mikenley Brown perform H.E.R.'s "Focus" during 'The Voice' Battles.

Following the death of Brandon Blackstock, Kelly Clarkson missed one rehearsal of 'The Voice'. Read here to find out who filled in for her.

Add Yahoo as a preferred source to see more of our stories on Google. Clarkson announced her plans to leave the show earlier this week. Her decision follows the death of her ex-husband Brandon ...