India, June 11 -- Singer Justin Bieber is pushing back against the swirling rumours about his mental health and well-being. The singer, whose health and marriage to Hailey Bieber have been under scrutiny lately, has clapped back at all the online speculation. Also read: Amid backlash following remarks about his wife Hailey, Justin Bieber reacts to mean comments: 'The audacity'

On May 21, a meme account shared a screenshot of a text message from somebody called "Grandpa", who wrote, "I am worried about Justin Bieber (sic)". A day later, the same person wrote again, "There is so much heartbreak in Justin's life." A message reading "We all are" accompanied the photo that emerged on social media.

And Bieber wasn't amused and clapped back wi...