Jack Osbourne reveals brutal side effects from I'm A Celeb weight loss

Jack Osbourne revealed the brutal side effects of his weight loss while in the I'm A Celebrity jungle after being left in agony amid 'malnutrition' fears. The 40-year-old - who shot to fame on his family's MTV reality TV show The Osbournes in 2002 - appeared on the Monday's episode of the ITV2's I'm a Celebrity... Unpacked to answer some viewer's questions.