How did Justin Timberlake celebrate his Grammys performance on Sunday night? By releasing a new track off his upcoming album, The 20/20 Experience .

You can download "Mirrors" on iTunes now if you pre-order the album, which will be released on March 19.

The "other" Justin, Justin Bieber , also put out some new music after a live chat with fans during the Grammys went awry.

The Biebs, who didn't receive any Grammy nominations, tweeted a recording of "You Want Me," writing , "its not finished but heres a little part a song I'm working on."

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