A source close to the situation explained:
Watch your step, Harry!
Piss off your ah-mazingly gorgeous girlfriend one too many times and you're gonna get pummeled on her next album, LOLz!!
Arriving at Heathrow Airport earlier today, he was shocked to learn he misplaced his passport!
Looks like the only direction this 1D-hunk is headed is back to town!
Mzr. Styles hopped on one of the next flights, but we imagine Swizzlestix was none to happy about the inconvenience!
[Image via WENN.]