Katy Perry Reportedly Set For Legal Battle With GHD (VIDEO)

WATCH: Katy Perry Heading For 'Nasty Legal Battle'

Katy Perry may be getting ready for a nasty legal battle.

The 'Firework' singer is reportedly caught up in a multi-million dollar lawsuit with haircare brand GHD.

Katy earned $4.5million as an ambassador for the brand when she signed up to front their campaigns in 2011.

Find out more in the video above.