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Justin Bieber's getting a bit feisty in his old age, ripping Patrick Carney on Tuesday after the Black Keys drummer told photogs Sunday night that the Biebs didn't deserve a Grammy.

"Grammys are for, like, music, not for money ... and he's making a lot of money," Carney told TMZ after being asked how he felt about Bieber's Grammy-nomination snub. "He should be happy."

That didn't exactly make the younger musician happy.

"the black keys drummer should be slapped around haha," Bieber tweeted Tuesday.

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<strong>Full story:</strong> <a href="http://www.latimes.com/entertainment/gossip/la-et-mg-bieber-rips-carney-justin-bieber-black-keys-20130212,0,3341522.story?track=rss&utm_source=dlvr.it&utm_medium=twitter&dlvrit=23648">Bieber rips Carney: It's on between Black Keys and the Biebs</a>

Bieber rips Carney: It's on between Black Keys and the Biebs

( Kevork Djansezian / Getty Images; Alexandre Meneghini / Associated Press / February 15, 2013 )

Justin Bieber's getting a bit feisty in his old age, ripping Patrick Carney on Tuesday after the Black Keys drummer told photogs Sunday night that the Biebs didn't deserve a Grammy. "Grammys are for, like, music, not for money ... and he's making a lot of money," Carney told TMZ after being asked how he felt about Bieber's Grammy-nomination snub. "He should be happy." That didn't exactly make the younger musician happy. "the black keys drummer should be slapped around haha," Bieber tweeted Tuesday.

Full story: Bieber rips Carney: It's on between Black Keys and the Biebs