What is the fine-grained topic of the following text: By the way, River Island has more news to share as the brand is collaborating with emerging designer Georgia Hardinge (whose designs were worn by celebs like Florence Welch, Beyoncé, and Lady Gaga) on Spring/Summer 2013 collection as part of the brand’s Design Forum platform for promoting emerging designers through collab collections. Only return the topic.
River Island's collaboration with emerging designer Georgia Hardinge for Spring/Summer 2013 collection