Justin Timberlake said he's "not doing s--- today" after wrapping up his two-year international tour, during which he was diagnosed with Lyme disease.

Justin Timberlake revealed he battled Lyme disease during his tour, performing through physical struggles to bring fans joy

Justin Timberlake 'pushed through for months before finally getting answers' with his Lyme disease diagnosis, and his wife, Jessica Biel, has been 'incredibly supportive' through it all, a family source tells PEOPLE.