Demi Lovato has treated fans to some stills from her upcoming video.

The singer has been busy working on a promotional clip for her track 'Neon Lights' and to celebrate passing the twenty million followers mark on Twitter, she uploaded a series of photos from the video.

They see the X Factor USA judge indulging in her sexy side, with one shot picturing Lovato lying on her back and posing.

It seems she is wearing a tight catsuit, with other images showing off the 'Skyscraper' singer under UV lighting.

Lovato meanwhile is due to tour North America next spring as she takes her Neon Lights jaunt to her fans.

Support will come from British acts Little Mix and Cher Lloyd, as well as US group Fifth Harmony.

'Neon Lights' the song features on Lovato's current album 'Demi', which was released in May.