Shocking drills from M&S to charge extra for the more buxom lady. Surely they should be giving discounts to those who are more ample in the chest region? Bra Wars? A woman has bought a share in Marks & Spencer in the latest round of a battle over its surcharge on bigger bras. Beckie Williams, 26, who is founder of Facebook group Busts 4 Justice and a 30G herself, said she took the step after efforts as customers hit a brick wall.