'I lost my Rolex deal after shaving my head': Ex-tennis star Eugenie Bouchard opens up on her 'rebellious' life after Wimbledon final catapulted her to superstardom

Retired tennis star Eugenie Bouchard has opened up on the chaos that consumed her life - and prompted a 'rebellious phase' - after bursting onto the scene when she made the 2014 Wimbledon final.