10/12 In the second semi-final, the six remaining celebrities continue to battle for the title.
9/12 After four weeks of competition, the best cooks compete in the first of the semi-finals.
8/12 The battle for the last two places in the semi-finals reaches its climax.
7/12 The final five celebrities are welcomed to the challenge as the last heat gets underway.
6/12 The four celebrities pair up - but with one chef taking over the work of the other.
5/12 The third heat features Sid Owen, Tina Malone, Liz Johnson, Louise Minchin and Amy Childs.
4/12 The four remaining celebrities face their last battle for a semi-final place.
4/12 Four remaining celebrities take part in a relay invention test and a catering challenge.
3/12 Five more celebrities enter the MasterChef kitchen for the first time.