On Sunday night, the source of the polarization of America was not any suit in DC but one letterman jacket in LA.

Chris Brown’s performance at the 2012 Grammy Awards — his first Grammy appearance since the 2009 incident with then girlfriend Rihanna that led to a felony assault charge — caused quite the uproar in the Twitter-verse, with supporters and non-fans showing equal passion. But how did his fellow stars feel about the “comeback”?

Here are some of the mixed reactions from those in the entertainment industry:

Pia Toscano (American Idol 11)
@PiaToscano: “#TurnUpTheMusic Chris Brown killin it!! In my next life i will dance like that.. #Grammys”

Nadia Dajani (The Good WIfe; The Big C)
@CaughtOffBase: “The 'B' on his jacket stands for "Beater". #chrisbrown”

Nicki Minaj (rapper):
@NICKIMINAJ: “OMG @ that chris brown performance. >>>>>>>> SHUT DOOWWWNNNN”

Eric Stonestreet (Modern Family):
@ericstonestreet: "Are Chris brown's mom and dad CBS and Grammy Brown?"

Christine Teigen (model; fiancee of John Legend):
@chrissyteigen: “Please camera. Please come to me as chris brown performs.”

Ashley Spivey (The Bachelor 15)
@AshleySpivey: “I'm sorry, I just can't. Chris Brown. Ugh. Button that shirt dude.”

Chris “Ludacris” Bridges (rapper; actor):
@Ludacris: “Congrats to my Lil Bro @chrisbrown Well deserved Grammy Win”

Cameron Mitchell (The Glee Project)
@camronmitchell: “GLEN CAMPBELL JUST GAVE THE BEST PERFORMANCE IVE EVER SEEN!!!!!! And you follow that up with Chris brown? Hurt.”

Michelle Branch (singer):
@michellebranch: “Trying not to go off on a rant but...Chris Brown...*bites tongue* have we forgiven him?#Grammys”

@chrisbrown: “Middle finger in full effect today!!! Lol”

For the latest from Wetpaint Entertainment, like us on our Facebook page at facebook.com/Wetpaint, or follow us on Twitter at twitter.com/WetpaintTV.