Katy Perry - The Hollow Heel Slingback. Color Biscotti. Low Stock. On sale for $84.40. MSRP $119.00.. 3.0 out of 5 stars3 left in stockBrand NameKaty PerryProduct NameThe Hollow Heel SlingbackGenderWomen'sColorBiscottiPrice$84.40MSRP: $119.00