The private equity house is said to be exploring a sale of its stake, which is estimated to be 40 percent.
Store has yet to announce a replacement for departing managing director.
The 200-piece collection is set to launch in March at Uniqlo stores and a Liberty pop-up
Aquazzura, Liberty, Edeline Lee party in London while Zaha Hadid talks about how she works.
Burstell's first book will be unveiled next month in the U.K.