Heidi Klum Rocks A Sheer Crop Top With Wild Overalls & Stiletto Heels For AGT: Photos

Heidi Klum and Sofia Vergara join co-judge Simon Cowell at America's Got Talent auditions

Ferne McCann flashes her toned midriff in a Seventies style floral crop top and mini skirt

Christine McGuinness puts on a very busty display in plunging crop top and work-out gear