After quite the tumultuous trip across the pond, it looks like Justin Bieber's non-stop touring schedule has finally caught up with him.

On Sunday (March 10), it was announced that the Canadian crooner would be cancelling one of his performances in Portugal due to "unforeseen circumstances."

According to reports, Justin will be playing his Monday night (March 11) concert at the Pavilhao Atlantico venue as normal, but has axed his second night show.

Giving fans little information, a statement posted on the venue's website reads, "Due to unforeseen circumstances, Justin Bieber was forced to cancel the second performance in Portugal, March 12. The Canadian singer is eager to play for the Portuguese fans on March 11."

In other music news, the Biebs is still keeping his fans pleased, having just released the audio to a new acoustic track, "Yellow Raincoat."

Check out the new tune below and let us know what you think!