Natalie Cassidy, known for her role as Sonia Fowler on EastEnders, is already making waves with a new Channel 4 show, despite her character not having left Albert Square.The actress debuted her latest venture, "What's The Big Deal: Britain's Best Buys?" where she gets the lowdown on some of the UK's most talked-about products, from LED facemasks to lion's mane mushrooms. In the show, Natalie enlists the help of experts and six British families who test out the products at home, giving their unfiltered thoughts on whether these items are worth the investment.