On Sunday, reports emerged that the 'Karma' singer would take to the stage at music's biggest night.
The 'Almost Famous' star had a cute mother-daughter moment ahead of dropping her new single.
Britney Spears stans have sent her 2011 single, 'Selfish,' up the top 40 chart following the release of Justin's new single.
Check out some of ET's favorite new music of the week!
Britney Spears' 2011 'Selfish' song is getting some love as her ex, Justin Timberlake, releases his own 'Selfish' song.
The country star has rerecorded one fan-favorite track from his early days in the industry.
Timberlake is returning in a big way.
The music stars spoke with ET about teaming up for their new single, which dropped Thursday.
His latest album, 'Everything I Thought It Was,' will be released on March 15.
'I'm probably gonna get into trouble again,' the singer admitted.
Luke Bryan takes ET backstage at his 9th annual Crash My Playa festival.
The country music singer praised Swift for her songwriting in post shared on Monday.
The singer appears to struggle through a cover of Dolly Parton's 'Marry Me' during a birthday tribute.
The singer made a big announcement during his hometown show in Memphis, Tennessee, with a *NSYNC bandmate in attendance.
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