Zayn and said mystery blonde were snapped by a fan as they partied in Phuket, and while loads of people say they were holding hands, it could just be the angle of the photo. Let's just keep this in mind, shall we?
Also, if the 1D cutie *was* actually cheating on Perrie, don't we think he'd be slightly more...discreet about it? Let's not insult the kid's intelligence here, right?