Emma Grede is a powerhouse. The serial entrepreneur, who traded east London for Los Angeles and became one of America’s richest self-made women, now counts the Kardashian-Jenner family as her business partners, has joined forces with the Obamas on their philanthropic endeavours and has quizzed the likes of the Duchess of Sussex on her podcast, Aspire with Emma Grede. When she speaks to HELLO!, it’s in the wake of the “most poorly planned four days”, spanning San Francisco, Dublin, New York and Maui. “I think we only had two nights that weren’t on a plane,” she laughs. © Jamie GirdlerBritish entrepreneur Emma Grede is one of America’s richest self-made women But it’s typical of Emma’s voracious appetite for life (she gets up at 5am every day), showing how she has achieved such an incredible amount. In 2016, Good American – the denim brand that she co-founded with Khloé Kardashian; Emma serves as chief executive officer – made $1m on its first day of sales. Skims, the shapewear brand she launched with her husband, Jens Grede, and …