Rebel Wilson flaunts her 30kg weight loss in a black swimsuit on 'Rebel Island'

James 'Arg' Argent beams as he shows off his incredible 9.5 stone weight loss in a baggy shirt

Rebel Wilson shows off her 30kg weight loss in a white tennis outfit in birthday throwbacks

Britney Spears marvels at her recent weight loss as she shows off her toned torso in dance video