We all lose the plot every now and then. The trouble for celebrities is, more often than not, there's a camera pointed at them ready to catch every excruciatingly embarrassing moment of their meltdown.
Plus they're crazier than us to begin with.
We've dug up some of the most memorable celebrity meltdowns ever caught on tape. From David Hasselhoff's drunken burger binge to Charlie Sheen's infamously insane interview, plus all the cray-cray celebrity regulars like Britney Spears, Mariah Carey and Joaquin Phoenix.