Justin Timberlake Kevin Mazur/Getty Images Share on Facebook Share on X Share to Flipboard Send an Email Show additional share options Share on LinkedIn Share on Pinterest Share on Reddit Share on Tumblr Share on Whats App Print the Article Post a Comment Justin Timberlake is opening up about a medical diagnosis. The singer took to Instagram on Thursday to celebrate and reflect on the end of his two-year Forget Tomorrow tour. However, in his reflection, he said he wanted to detail "what's going on" with him despite being a "pretty private person.