He celebrated One Day More of Donald Trump with a show-stopping musical parody.
Christopher Biggins, Matt Lucas and David Walliams were among the guests.
The I'm A Celebrity host had viewers howling with his impersonation of the PM.
Here's what Paul Hollywood, Matt Lucas, Prue Leith and Noel Fielding looks like back in the day.
Matt Lucas Resurrects Boris Johnson Impression To Lambast PM’s Delayed Press Conference On Second Lockdown
Other stars including Jason Manford and Richard Osman were similarly unimpressed.
Guaranteed to raise a smile, trust us.
Matt Lucas And Noel Fielding Had A Famous Driving Instructor As They Learned To Drive On Bake Off Set
Neither of the Channel 4 show’s presenters are able to drive.
Now that's worthy of a Hollywood Handshake.
Producers had previously described the self-contained biosphere as feeling like "the safest place in Britain".