The singer noted that his Christian faith has helped him cope with the illness
In a video shared online, Bieber struggles to blink or move the right side of his face
It is unclear at this stage how many shows on Bieber's tour will be affected
He’s also expanded the capacity for his previously sold-out Melbourne show
Joining stops in Singapore, Japan, Thailand, Indonesia and Malaysia
The pop star heads to British shores next year
The pop star performed at the city's Keybank Center yesterday (May 14), hours after 10 people were killed in a racially-motivated attack
Check out the video here
Tickets are now on sale
It comes after the pop star teased the track with spoof video ‘I Feel Funny’