Katy Perry – 'Part Of Me' (Official Video)

The 'Teenage Dream' star trains to become a Marine in her latest promo.

Katy Perry has unveiled the highly anticipated music video to her brand new single 'Part Of Me'.

The 'I Kissed A Girl' star can be seen leaving a cheating boyfriend in the promo before cutting her hair short and joining the Marines.

The star undertakes vigorous training exercises and even fights underwater in the clip which was filmed at Camp Pendleton Marine Corps base in Oceanside, California.

The song will form apart of her brand new album reissue 'Teenage Dream: 'The Complete Confection' which is released on 26th March.

Take a look at the video for Katy Perry's 'Part Of Me' and let us know what you think below...