Justin Bieber tour
In the past 48 hours Justin Bieberhas shared some peculiar post on social media REUTERS/Brendan McDermid

Believe it or not, "Beliebers" would find it tough to fathom that Justin Bieber feels his life would be "complete" if he had met this one man in his life. Sounds unrealistic, but the Sorry singer recently posted on Instagram that if he met Bill Nye – the science guy – his "life will be complete".

Known for posts about his former girlfriend Selena Gomez, the 22-year-old singer wrote on Instagram: "If I meet bill nye the science guy my life will be complete .. What if I pulled up with Bill nye everywhere I went.. Meeting people like, 'hey this is my homie bill'. Shoutout bill for helping us all get out of science class to watch a movie [sic]."

Over the April 29-1 May weekend, Bieber shared some interesting posts on social media. In one of them he posted a photo petting a tiger. He reportedly clicked the photo at his dad's engagement – to a longtime girlfriend – at a private Toronto event that also featured the Batmobile.

The singer was instantly criticised for his actions by animal rights activists. "Justin Bieber is lucky not to have had his throat torn out by this stressed captive tiger," PETA senior vice president Lisa Lange said, according to HollywoodLife.

"Tigers used for photo ops are torn away from their mothers shortly after birth, and the Bowmanville Zoo, in particular, was caught whipping one tiger more than 17 times, even after the cat was lying on his back in a position of submission and fear. This is why PETA urges everyone to stay far away from cruel and dangerous big-cat photo ops and also why we're asking Justin to vow that this will be his last time promoting these types of abusive outfits," Lange added.