Buzz Bites (9/20/13): Listen To Justin Timberlake's New Single, 'TKO'

Listen to Justin Timberlake's "TKO."

JT knocks one out with the 7-minute "TKO."

+ Listen to Justin Timberlake's new single, "TKO," from his upcoming Sept. 30 release, The 20/20 Experience -- 2 of 2. The Timbaland-produced track dropped last night. After JT released teaser clips throughout the day, he finally posted "Should I release a new single today???" on Instagram. (MTV News)

+ Check out Jessie J's acoustic cover of Taylor Swift's "I Knew You Were Trouble" from her appearance yesterday on BBC's Radio 1 Live Lounge. Jessie's rendition eschews the original's straight-up defiance, giving it a certain poignant flavor. (That Grape Juice)

+ Green Day's Billie Joe Armstrong has been cast in the film "Like Sunday, Like Rain," his first starring role in a film. He will play the boyfriend of "Gossip Girl"'s Leighton Meester, who portrays a struggling musician in the drama. (Rolling Stone)

Katy Perry dished on the "make-out" music she listens to while she's chilling with her boyfriend, John Mayer. "Who doesn't love Drake? Drake is so sensitive but yet still so cool," she said during her guest DJ stint on iTunes Radio. She also finds The Weeknd's songs "sexy as hell." #cosign (MTV News)

+ Watch Christina Aguilera's PSA for Hunger To Hope, a campaign that aims to end world hunger. The singer's "Light Up The Sky" plays as she is seen distributing food to those in need. (Idolator)

Photo credit: RCA