Here are the possible solutions for usher replaced him on the voice clue
Answer
Clue
Relevancy
ceelo
Clue
Usher replaced him on "The Voice"
conan
Clue
He replaced Jay, then Jay replaced him
neko
Clue
Rocker Case who tweeted "If a dude called me a 'cougar' I'd be more likely to kill him bare-handed and shit him out in front of his parents than fuck him"