She left EastEnders for a music career that saw her first single make number one in the charts.
Then, she hit the headlines for getting a much sought after part in Trevor Nunn's My Fair Lady at the National Theatre. She was forced to drop out due to sickness but she still won a best actress Olivier award for the role.
Most recently she landed a part in the new Richard Curtis film, Love Actually.
Martine McCutcheon joins Jenni to talk about her eventful past few years and her plans to conquer Hollywood. Behind the Scenes: My Personal Diary by Martine McCutcheon, published by Harper Collins; ISBN: 0007160976