RIHANNA`S fella must have the patience of a saint. As most lads will agree, waiting around for the missus during a shopping trip can push your patience to its very limits. So how baseball star MATT KEMP kept himself entertained during Rihanna`s EIGHT hour shopping marathon is a mystery to me. The pop superstar hit Topshop`s flagship store in London yesterday and took her time perusing the shelves. Wearing a puffed up white skirt, Rihanna finally left with 15 shopping bags full of new gear.