That's not WAG-wear Frankie! The Saturdays singer shows off pair of huge blue baggy trousers

After stepping out with Manchester City star Wayne Bridge we expected her to turn into a fully-fledged WAG looking preened to perfection at all times.But Saturdays singer Frankie Sandford showed how she likes to dress down as she stepped out in a pair of huge bright blue jogging bottoms.The 22-year-old, who celebrates her birthday today, took a break from rehearsals wearing the oversized