American sports retailer Lady Foot Locker has announced US actress Katie Cassidy as its brand ambassador and celebrity stylist.

Cassidy, known for her role in Gossip Girl, worked closely with Lady Foot Locker stylists on looks set to feature in-store and online, and will offer customers fashion and fitness tips. The brand has also pledged to support her philanthropic efforts with the charity H.E.L.P Malawi, which she has backed since 2009.