will.i.am has been busy promoting his new single, ‘T.H.E. (The Hardest Ever)’, and despite its slow climb on the Billboard Hot 100, he has remained dedicated to the song’s success. For his latest television appearance, the Black Eyed Peas frontman visited ‘The Tonight Show with Jay Leno’ to deliver another colourful performance of the track and dazzled the viewing audience with his light show.

Thus far, ‘The Hardest Ever’ has peaked at #36 on the Billboard Hot 100. will.i.am also performed the tune on ‘Dick Clark’s New Year’s Rockin’ Eve’ to celebrate the arrival of 2012.

Watch will.i.am on ‘Leno’ below:

Thoughts?