Heidi Klum goes biker girl in a leather dress

Fashion at any age: How stars like Heidi Klum just get better!

If you thought girl power died when the Spice Girls split up (still devo, FYI) then think again. A poll by fashion retailer JD Williams has revealed that body confidence in women, particularly those over the age of 50, has reached an all time high. The survey revealed that 94%…