For those of us currently detoxing after pulling a few too many all-nighters of late, the sight of our party hard celebrities should give you cause to stick with the programme.

Whether still intoxicated with the so-called glamour of stumbling from a club into the waiting lenses of the paparazzi, or allegedly on the wagon after being chewed up and spat out by the relentless party circuit, these celebs are paying for their playing with their looks and their health.

From the sad sacks to the "serve 'em rights", we've got the photographic evidence of both the night before and the morning after.

- Party hard celebrities gallery, Part 1

- Party hard celebrities gallery, Part 2