Usher has treated fans with a new track to celebrate Valentine's Day.

The R&B superstar unveiled new song 'Go Missin'' yesterday (February 14) as a special Valentine's gift to his fans.

He tweeted: "You loved what I gave you last Valentine's #Climax So here is "Special delivery from the cloud" Happy Valentine's Day!"

Usher also uploaded artwork onto Instagram for the song, which appears to have been made in collaboration with producer Diplo.

As previously reported, the 'Scream' star revealed that he was starting off 2013 in style by hitting the gym.

He posted a series of sultry photos from his work-out sessions as he got back into swing of things following Christmas.