Singer Tulisa Contostavlos has got rumours steaming up that she is a lesbian by kissing another girl in the new N-Dubz music video for their latest song 'Girls'.

However the star has reportedly denied the rumours saying it was just for fun and a wind-up.

The singer follows in the footsteps of Britney Spears who famously kissed Madonna on stage at the MTV music awards and Katy Perry who released the song 'I Kissed a Girl'.

'Girls' is N-Dubz second single off their latest album, Love Life Live.