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Jeremy Corbyn has won perhaps the most important endorsement of the 2017 general election campaign: Danny DeVito.

The It's Always Sunny in Philadelphia star, who shot to fame in classic 70s sitcom Taxi, has thrown his weight behind the Labour leader in a tweet.

He tweeted: "UK. You've got the guy. Register by May 22nd. Vote for Jeremy Corbyn ...show us how it's done."

He included the hashtag #Grime4Corbyn - perhaps hinting he has a deep love for British hip-hop.

A string of UK MCs, including Stormzy and JME have also backed the Labour leader in recent weeks.

(Image: REUTERS)

It's not the first time the Twins and Batman Returns star has endorsed the Labour leader.

In April last year, he said Corbyn would be a "great PM".

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I like the idea of people telling the truth. "I like them to get to the bottom of things. In our government we have a lot of subterfuge.”

He praised Corbyn’s approach to the Panama Papers tax avoidance revelations.

"Now we've got the Panama thing.

"What is it? Why doesn't anybody want to pay taxes and just fix the country and make everybody have a good life? It's really crazy.

"I think he [Mr Corbyn] would make a great PM. Way better than Cameron."

"Look at your history, for crying out loud," he said.

"A little sketchy guy hanging out with George Bush. What was his name? Blair."