Justin Timberlake opens up about his health, revealing a 'relentlessly debilitating' Lyme disease diagnosis as he bids farewell to his world tour.

While reflecting on his Forget Tomorrow World Tour, singer Justin Timberlake divulged that he’s been diagnosed with Lyme disease. On the lengthy Instagram post, he clarifies, “I don’t say so you feel bad for me –– but to shed some light on what I’ve been up against behind the scenes.”