Women in Music 2016

Panic! at the Sisqo Perform 'Thong Song' on 'Jimmy Kimmel Live': Watch

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Panic! at the Disco and Sisqo perform "The Thong Song" as Panic! at the Sisqo on "Jimmy Kimmel Live!"

Jimmy Kimmel took his Mashup Mondays puns to new levels when he united Panic! at the Disco and Sisqo -- together dubbed Panic! at the Sisqo -- for a throwback performance of the hit "Thong Song." 

With Panic! frontman Brendan Urie hitting the right notes for verse one and Sisqo holding down hook duty (as well as his platinum silver 'do), the odd duo actually made for a welcome 2016 version of the booty-shaking anthem, which peaked at No. 3 in 2000 on the Billboard Hot 100. 

Jimmy Kimmel Shares Music-Themed 'Mean Tweets' on Grammys Night

Elsewhere on Jimmy Kimmel Live, A-listers like Lionel Richie, Meghan Trainor and One Direction recited unforgettable tweets for a music-themed installment of Mean Tweets on Grammys night (Feb. 15).

Past Mashup Monday pairings include Color Me Bradd (Brad Paisley and Color Me Badd performed "I Wanna Sex You Up") and Joss Stone Temple Pilots (Joss Stone and Stone Temple Pilots connected for "Interstate Love Song").