S5, E5: Emma Willis and Tom Allen host the fifth series semi-final as the remaining stars celebrate food that provides healthy and nutritious benefits and battle it out for a place in the grand final - Natalie Cassidy, Jack Osbourne, Kelly Hoppen and Shaun Wright-Phillips will all compete in culinary cooking battles as they take on healthy dishes, but the two stars who fail to impress the chefs will end up in the cook-off and will fight it out for the last place in the grand final.