Isla Fisher and Sophie Kinsella attend the UK premiere of 'Confessions of a Shopaholic'. Ian West/PA Images via Following the death of Shopaholic author Sophie Kinsella, Isla Fisher is paying tribute to the woman who created one of her breakout roles. On Wednesday, the actress grieved Kinsella’s death with a heartfelt statement, more than 15 years after starring as shopping addict Rebecca Bloomwood in Confessions of a Shopaholic (2009), which was based on the series of novels that ultimately spanned from 2000 to 2019.