Mark's 1960s, 1970s and 1980s portraits reveal the changing nature of celebrity. When she first started working she would be just another person on set with full access to every cast member and every set. Now with the massive power and impact of celebrity it has become more difficult for photographers to work on set, when actors are constantly surrounded by their entourage of publicists and agents and have their schedules carefully planned with every minute accounted for. In this current climate Mark's more recent, candid pictures of major celebrities such as Cate Blanchett, Brad Pitt, Johnny Depp and Nicole Kidman are rare and particularly special.