Talk about awkward timing! On the morning of Tuesday, February 18, Kanye West reappeared on Instagram to seemingly accuse Nike of copying his Yeezy sneaker design — and just an hour later, ex-wife Kim Kardashian announced the launch of a NikeSKIMS collaboration.

The tie-up is expected to give Nike a leg up in women-centric athleisure brands as it stakes its turnaround on a return to its core sports roots. It currently relies on its men-fo

Celebrity brands are making for bigger competition to their legacy counterparts, and online influencers are shortening trend cycles.