3. Chantelle Houghton
Chantelle-Houghton got fame for her appearances in reality shows like ‘Ultimate big Brother’ and ‘Celebrity Big Brother’. The fat celebrity has been criticized so much on her bikini pictures, she is a mother of one and said to be having an eating disorder. She gained so much weight that she turned into a size 14 but her motivation that she received from the critics she has followed healthy diet and fitness plans and reduced herself to a sexy size 6. Fat celebrities have been under the limelight always.