Pop star Justin Timberlake suffers from Obsessive Compulsive Disorder (Ocd) - and the anxiety-based condition is taking over his life.

The SexyBack singer claims that he is overly-obsessed with neatness and often spends hours making sure objects are lined up perfectly, but 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."