Poor old Sienna Miller - the girl can't go anywhere without a photographer catching her every move.
So you'd think she'd get into the habit of checking that her flies were done up.
Apparently not.
But then the last place you expect to have a camera lens shoved in your face - or indeed your crotch - is when you're make-up-less and jet-lagged in your posh seat on a plane.
Oh, for the life of a celebrity.
This snap caught Sienna in her seat on a flight back from New York, checking out a magazine with fellow fashion icon Kate Moss on the front.
But the droopy eyes suggest the lass is bit tired and that might explain why she forgot to do up her zip after her last trip to the loo.
Either that or she's suffered a bit of swelling in that pressurised cabin and her trademark skinny jeans have given way under the strain.
Or maybe she's just in the minority who love airline food and her over-stuffed tum is making a break for freedom.
Whatever the reason - nice pink pants, love.




















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