Twilight hotster Robert Pattinson inspires a whole range of M&S chaddis. Here's how some other hot bods cover up their family jewels

He has inspired a whole generation of tweens (who now emulate a vampire way of life), magazine covers, movies that are setting the cash drawers ringing and life-sized cut-outs. Even as another movie in the Twilight series releases today, the anaemic-looking delicious actor comes as the inspiration for Marks and Spencer undies.

The campaign has been designed to appeal to a younger audience and to sex-up its underwear range. The slim-fit version of the classic underpants, the R-pant as it's hilariously titled, comes in a low-rise, slim-fit brief or trunk option meant to be worn under skinny jeans and trousers. Here's a down-under guide for all you guys.