Watch Little Mix’s "Word Up" video ft. Melanie C

The Little Mix have released the music video for their new song "Word Up". The song will be the theme of institutional campaign Sport Relief, which operates in the UK and in third world countries.

The video shows the group having fun and doing exercises to the side of the former Spice Girls' Melanie C and celebrities of British sport.

The new song, which is a remake of the hit 1986, will be released on March 16, but is already available for pre-order on digital retailers.

Check out the video for "Word Up" below: