Mary-Kate and Ashley Olsen have managed that virtually impossible goal, of being a celeb and creating a successful fashion line. But like other successful celebrities turned designers, such as Victoria Beckham and Gwen Stefani, it is thanks to their unique sense of style. It is of course also helped by distancing themselves from the brand, like Gwen, using a completely...

“Lamb’ is anything cute,” the singer explains. “It’s basically the clothes I wear. I want it to be my style, so I can wear them. I don’t know what it will evolve into. I don’t know if people will like it or not. I don’t know anything about fashion. I’m still learning. It’s just another creative thing for me to...