Update (March 25, 2015): Zayn has officially left the group. Read his statement.
History is repeating itself again. The most famous British five-piece in the world loses a member during an international tour. In 1998, it was Geri Halliwell ditching the Spice Girls during the European leg of their Spiceworld tour. She never returned, and the remaining four were forced to take on all of North America without her. 17 years later, Zayn Malik of One Direction is pulling the same move, leaving the Asian leg of their world tour.
Here's what the group's rep said to Billboard: "Zayn has been signed off with stress and is flying back to the U.K. to recuperate. The band wish him well and will continue with their performances in Manila and Jakarta."
Stress, eh? That's interesting, considering that this news comes fresh off the heels of Twitter fans freaking out over a picture of Zayn and a random girl holding hands, despite his engagement to Perrie Edwards of Little Mix. Zayn seemed rattled by the cheating accusations, tweeting: