Rebecca Wylie Simms, a 39-year-old mother-of-two and the co-founder of celebrity-loved cheese shop; Lady & Larder, died in California on Monday after an operation. Sarah Simms Hendrix, Rebecca's sister, posted on their business Instagram on Monday: 'It is with profound sadness that I share the devastating loss of my twin sister and co-founder, Boo Simms, who tragically passed away this week due to a tragic surgery complication.' 'This loss is immeasurable and our hearts are completely shattered,' she wrote. 'Boo was our magic maker, our color painter, and the brightest light I have ever known. We ask for your patience and understanding as we navigate this overwhelmingly painful time.' Rebecca, known as Boo to those closest to her, is survived by her partner Sean and their two young daughters, three-year-old Mavis and two-year-old Lou. Her exact cause of death has yet to be revealed. Read more at DailyMail.com #rip #sad #influencer #rebeccawyliesimms #mom #restinparadise