My recommendation to all women whatever your age, shape or size - wear the right size pants/knickers - whatever you call them.
There is nothing, absolutely nothing so depressing when getting dressed in the morning and seeing bulges sticking out over the top of your pants :-( Throw away those nasty little ones that 'have mysteriously shrunk' they do nothing for your morale or appearance. Treat yourself to a nice big pair that covers up the offending wobbly bits, start the day right.
