This can only work with friends or family who trigger wardrobe envy. Sisters, friends, and mothers and daughters have been borrowing each other's clothes without thinking for years. Now "bring-and-try" parties, where you can swap an item of interest for an equally appealing fashion piece have become as popular as Ann Summers parties in the suburbs. Finally, a chance to find a good home for the sale items you has never worn. Too tight shoes? Too long dresses? Get rid. Go for stylish classics not one-hit wonders and avoid single white female types or country bumpkins trying to palm you off with their minging fleece. Meanwhile, nights like the Swap-A-Rama Razzmatazz in Shoreditch (see left) are catching on like wildfire as a great way to socialise and get a whole new look.

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