Grammys 2015: Jessie J and Tom Jones Perform "You've Lost That Lovin' Feelin' "

J was nominated for "Bang Bang."

Jessie J and Tom Jones had plenty of feeling during their performance at the 2015 Grammys.

See more Grammy's 2015 Red-Carpet Arrivals 

The British singer and music legend sang The Righteous Brothers' "You've Lost That Lovin' Feelin' " ahead of presenting the award for best pop solo performance to Pharrell Williams for "Happy."

J was nominated in the best pop duo/goup performance category for "Bang Bang" with Ariana Grande and Nicki Minaj.

LL Cool J hosted the ceremony for the fourth consecutive year on CBS. It was broadcast live from Staples Center in downtown Los Angeles.