Car customiser to the stars, Yianni Charalambous is the man the rich and famous trust with their precious rides. With a client list that includes some of the biggest names in the world of sport and entertainment, including Harry Styles, Sergio Aguero and Gordon Ramsay, Yianni is in high demand and making a fortune. However, as this unique UKTV Original series shows, life at the top isn't always straightforward.