London, April 16 - Singer Avril Lavigne drunkenly declared her love for her new boyfriend and reality star Brody Jenner while singing karaoke in a nightclub.

"Lavigne and Jenner were having a blast. They were taking shots with friends. The pop star even shouted, "I love you, Brody!" on the microphone," contactmusic. com quoted a source as saying.

The couple recently got matching lighting bolt tattoos to show their devotion.