Jeremy Clarkson
Thousands turned up to oppose changes to inheritance tax rules.
He and co-hosts Jeremy Clarkson and James May recently completed filming on their final episode of the Amazon Prime series.
"Good luck to everyone reading Jeremy Clarkson’s A Levels tweet today."
The trio launched the Amazon Prime series in 2016, after parting ways with Top Gear.
The former Top Gear recently claimed the latest season of Planet Earth is "driving me insane".
The former Top Gear host's column about the Duchess of Sussex was the most complained-about in Ipso history last year.
"This isn't an underdog story, just a confirmation of privilege," one critic wrote.
Reports suggested Clarkson had been axed as host of Who Wants To Be A Millionaire? – although he has since insisted this is not the case.
Comments made by ITV boss Dame Carolyn McCall led to rumours that Clarkson had been "sacked" as host of the game show.
Barrister Charles Streeten shared an open letter with Clarkson after being included in an episode of Clarkson's Farm.