The duo have posed as a saucy patient/doctor duo to help raise money for ITV's From The Heart TV charity event.
ITV's evening of entertainment, which is hosted by Dermot O'Leary, is aiming to raise awareness of organ donation and the NHS Organ Donor Register.
Other celebrities involved in the evening include Alfie Allen, Paul Whitehouse and Harry Enfield, who will spoof the Rolling Stones, House star Hugh Laurie and the cast of Outnumbered.
Musical acts on the show include Jools Holland, McFly and Alexandra Burke.
From The Heart airs tonight (February 13) at 9pm on ITV.