Mark Billingham, also known as Billy puts the celebrities through their paces as the Chief Instructor on SAS: Who Dares Wins.
The hit Channel 4 show will kick off tonight (Tuesday, 26 September) as we watch a string of famous faces take part in the punishing jungle phase of SAS selection.
Some of this year's celebrities include former Health Secretary Matt Hancock, singer Gareth Gates, TV personality, Danielle Lloyd and TOWIE star James 'Arg' Argent.
As one of the toughest environments faced by Special Forces operatives, there will be no allowances or exceptions for this year's celebrities as they take on brutal tasks and interrogations while facing face mental and physical limits.
Read more on ok.co.uk