Beyoncé Knowles found a new home for her Ivy Park athleisure brand -- and Adidas is adding one of the world's biggest celebrities to its ranks. The singer has signed an agreement with Adidas to relaunch Ivy Park, her athleisure line previously sold at Topshop. As part of the deal, Knowles will become a creative partner for the company, developing new footwear and clothes for Adidas. Knowles called the opportunity a "partnership of a lifetime" in a release. Her new collection of products will be based on the singer's "meaningful and rich storytelling." Her Ivy Park collection launched at Topshop Continue reading