Justin Timberlake has admitted he suffers from both Obsessive Compulsive Behaviour and Attention Deficit Disorder, and both afflictions are taking over his life.

The SexyBack singer he has the trademark signs of OCD which make him overly-obsessed with neatness and he often spends hours making sure objects are lined up perfectly. However, the stress that comes with the disorder is often debilitating.

Other stars including David Beckham, Jessica Alba and Cameron Diaz have all confessed to suffering from forms of OCD, which is characterised by obsessive thoughts, compulsions or rituals.

And Timberlake insists that he also a victim of Attention Deficit Disorder (ADD), a condition which often begins in childhood, with sufferers experiencing forgetfulness, distractibility and hyperactivity.

The singer claims he has managed to get his condition under control, but it still creates everyday challenges for him.

He says: "I have OCD mixed with ADD. You try living with that. It's complicated."