Chef and restaurateur John Torode and food writer and ingredients expert Gregg Wallace search for the country's top celebrity chef.
The four semi-finalists must cook their best two-course meal to impress three world-class caterers. The pressure's really on as at the end of the show judges John Torode and Gregg Wallace decide which one of the celebrities must leave the competition.
Andi Peters, DJ Spoony and Noel Whelan cook for the judges and paying restaurant customers at Belgo in the first heat. In the second, Debra Stephenson, Josie d'Arby and Andrew Castle cook at the National Dining Rooms.
In the first heat Linda Robson, Denise Lewis and Mark Moraghan cook for the judges and paying restaurant customers at the Gallery Restaurant situated in Fortnum and Mason. In the second heat Michael Buerk, Julia Bradbury and Liz McClarnon cook at the Larder in the Hilton Hotel. Who will make it through to the quarter-final?
It is the quarter final stage and the four winning celebrity chefs from this week's heats battle it out for two of the semi-final places.
In the first heat Claire Richards, Sean Wilson and Kaye Adams cook for the judges and paying customers at One O One, and in the second heat Vicki Michelle, Chris Parker and Louis Emerick cook at The Criterion. Only two of the contestants will progress to the quarter-final.
In the first heat Andi Peters, Joe McGann and Clare Grogan cook for the judges and paying customers at Bertorelli, and in the second Ninia Benjamin, Steven Pinder and Hywel Simons cook at Kenza. Only two of the contestants will get through to the quarter final.
The three finalists have to cook their best three-course meal for one final judgement from judges John Torode and Gregg Wallace. At the end of the show one of them will be crowned Celebrity MasterChef Champion.
It's the penultimate Celebrity MasterChef, and the three finalists are challenged to create two fine dining menus. They must cater for travellers on the Orient Express, before preparing a three-course meal for five of the country's best chefs at the Michelin-starred L'autre Pied.
The Celebrity MasterChef finals begin, and the three celebrities are set their toughest challenge yet - impressing the French! They must cook for dancers at the Moulin Rouge in Paris, before catering an exclusive Chateau dinner for the Champagne masters of France.
The four winning celebrity chefs from this week's heats battle it out for a place in the semi-final.
The four semi-finalists face an Olympian challenge: catering for hundreds of workers on the Olympic Stadium, then cooking an exquisite 'Best of British' dinner, hosted by Lord Coe of London 2012. Guests include Dame Kelly Holmes and Dame Tanni Grey Thompson.
The four best celebrity cooks remain and face three mammoth tasks. First they are sent to battle - to cater for soldiers of the Sealed Knot, then it's back to school to cater for 800 schoolboys at Harrow School. Finally they have to cook an exquisite dinner hosted by the headmaster of Harrow.
The final five celebrities cook one dish for their MasterChef lives. Only four can become semi-finalists. Judges John Torode and Gregg Wallace must decide who has what it takes.
Three celebrities are put through a series of gruelling challenges, including cooking a lunchtime service at Iberica. MasterChef judges John Torode and Gregg Wallace must decide who stays and who goes.
Three celebrities are put through a series of gruelling challenges, including cooking a lunchtime service at Asia de Cuba. MasterChef judges John Torode and Gregg Wallace will have to decide who stays and who goes.
The four best celebrity chefs from the week's heats battle it out in the kitchen and have to impress some harsh critics - three cookery judges from the Women's Institute. Only three celebrities can go through to the next round. One will go home.
Actors Chris Walker and Lisa Faulkner, comedian Mark Little, Radio DJ Mark 'Chappers' Chapman and model Danielle Lloyd battle it out in the kitchen as they try and impress judges John Torode and Gregg Wallace. Only two of the celebrities can go through to the quarter finals: who can stand the heat of the professional kitchen, and whose Hollandaise sauce will end in disaster?
Star of It's Not Easy Being Green, Dick Strawbridge, presenter Jennie Bond, actor Marcus Patrick, soul singer Kym Mazelle and former Olympic decathlete Dean Macey are put through a series of gruelling cooking challenges as they try to impress judges John Torode and Gregg Wallace. Only two of them can go through to the week's quarter final, taking them one step closer to becoming the next Celebrity MasterChef.
In the first of the semi-finals, the four best celebrity cooks cater en masse for 600 brickies.
It's the second day of the semi finals and the four best celebrity cooks cater for a dinner party at the prestigious Penshurst Place home, to Lord and Lady de L'Isle.
The four semi finalists have to cook a two-course meal for three of the country's most respected restaurant critics, Charles Campion, Kate Spicer and Jay Rayner. Tensions and emotions run high as one of the contestants is sent home.
The three finalists are faced with their toughest challenge yet as they cook breakfast for a group of Officer Cadets from Sandhurst, fresh from a 10-day field training exercise. Later they are sent to some of London's best restaurants to fine tune their cooking styles.
The three finalists are flown 6,000 miles to cook in the intense heat of the Mozambique border. Then they return to the kitchen for their final challenge as they prepare a three-course meal for some of the country's most accomplished chefs, including Michel Roux J, at the two Michelin star Petrus restaurant.
It is the grand final and the finalists have to cook their best three-course meal for one final judgement in which the winner will be crowned Celebrity Masterchef champion.
Sally Gunnell, Martin Hancock and Emma Forbes take on two tests for a place in the quarter-final, by cooking for the judges and for paying restaurant customers at Quaglino's.