slipped up on the catwalk at Vivienne Westwood's Paris Fashion Week show in France on Friday - when a wardrobe malfunction left her baring a boob.
The busty mum of two was rehearsing for a runway show when her left nipple popped out of her top.
Giggling Anderson quickly covered up and carried on modelling the British designer's wares without a hitch.
A catwalk watcher tells WENN, "It was hilarious and Pam didn't didn't seem to mind a bit that everyone had seen more than they were supposed to. I guess when you've bared all for sex tapes and magazines, something like this is nothing."
(This news article provided by World Entertainment News Network)