Pharrell Williams and U2 are among the nominees for this year's Best Original Song Oscar.

The nominations for this year's Academy Awards - which are taking place on March 2 - were revealed today (January 16) and five tunes are up for the Best Original Song category.

Pharrell Williams' chart-topping 'Happy', which featured in the film Despicable Me 2, leads the nominations.

U2's 'Ordinary Love', taken from Mandela: Long Walk to Freedom, will be looking to replicate its recent Golden Globe success.

Karen O's 'The Moon Song' is also nominated, as is 'Alone Yet Not Alone', which was written by Bruce Broughton.

Finishing the section's nominations is 'Let It Go' from the movie Frozen.