'Grammy Awards' 2015 Performance: Tom Jones & Jessie J Sing 'You've Lost That Lovin' Feelin'' In Duet [VIDEO]

On Sunday, Tom Jones and Jessie J came together for the third performance of the 2015 Grammy Awards.

ACDC Kicked Off The Grammys 2015, The Audience Was Definitely Pumped Up! [VIDEO]

The two stood side-by-side on stage as they performed the 60s hit You've Lost That Lovin' Feelin'.

Jassie J kept up with the veteran crooner as they performed the classic. 

Miranda Lambert Took The Audience For A Ride On Her 'Little Red Wagon,' Husband Blake Shelton Admired Her From The Crowd [VIDEO]

Jones is know for his hit-songs, It's Not Unusual, What's New Pussycat, She's A Lady, and Delilah. 

The audience loved it. Watch the full performance below.