The nervousness building ahead of what will be one of the most polarising elections in recent history is palpable. Whereas only a few months ago celebrities were laughing at Donald Trump vying for the Republican nomination, with just two days to go, many are now pulling all the stops out to warn against the man who could actually be elected President of the United States.

In a damning summary of the series of events leading up to the situation America finds itself in now, Madonna says the joke is on the US. Her message is stark: “The whole world is laughing at us right now.”

After issuing calls for those on the fence to choose a Democrat and elect the first female President, this time the singer spoke directly to Trump supporters to warn them that while he may be entertaining, this is not television. This is real life, with potentially grave consequences.

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Unlike many other celebratory endorsements issued by Lena Dunham, Katy Perry and Beyonce, Madonna’s was grim. “All politicians lie,” she wrote on Instagram. “All. Even our most beloved and esteemed.”

Donald Trump's most controversial quotes Show all 14 1 /14 Donald Trump's most controversial quotes Donald Trump's most controversial quotes On Isis: "Some of the candidates, they went in and didn’t know the air conditioner didn’t work and sweated like dogs, and they didn’t know the room was too big because they didn’t have anybody there. How are they going to beat ISIS?" Getty Donald Trump's most controversial quotes On immigration: "I will build a great wall — and nobody builds walls better than me, believe me —and I’ll build them very inexpensively. I will build a great, great wall on our southern border, and I will make Mexico pay for that wall. Mark my words." Reuters Donald Trump's most controversial quotes On Free Trade: "Free trade is terrible. Free trade can be wonderful if you have smart people. But we have stupid people." PAUL J. RICHARDS | AFP | Getty Images Donald Trump's most controversial quotes On Mexicans: "When Mexico sends its people, they’re not sending their best. They’re sending people that have lots of problems. They’re bringing drugs. They’re bringing crime. They’re rapists." Getty Donald Trump's most controversial quotes On China: "I just sold an apartment for $15 million to somebody from China. Am I supposed to dislike them?... I love China. The biggest bank in the world is from China. You know where their United States headquarters is located? In this building, in Trump Tower." Getty Images Donald Trump's most controversial quotes On work: "If you're interested in 'balancing' work and pleasure, stop trying to balance them. Instead make your work more pleasurable." AP Donald Trump's most controversial quotes On success: "What separates the winners from the losers is how a person reacts to each new twist of fate." Donald Trump's most controversial quotes On life: "Everything in life is luck." AFP Donald Trump's most controversial quotes On ambition: "You have to think anyway, so why not think big?" Getty Images Donald Trump's most controversial quotes On his opponents: "Bush is totally in favour of Common Core. I don't see how he can possibly get the nomination. He's weak on immigration. He's in favour of Common Core. How the hell can you vote for this guy? You just can't do it." Reuters Donald Trump's most controversial quotes On Obamacare: "You have to be hit by a tractor, literally, a tractor, to use it, because the deductibles are so high. It's virtually useless. And remember the $5 billion web site?... I have so many web sites, I have them all over the place. I hire people, they do a web site. It costs me $3." Getty Images Donald Trump's most controversial quotes On Barack Obama: "Obama is going to be out playing golf. He might be on one of my courses. I would invite him. I have the best courses in the world. I have one right next to the White House." PA Donald Trump's most controversial quotes On himself: "Love him or hate him, Trump is a man who is certain about what he wants and sets out to get it, no holds barred. Women find his power almost as much of a turn-on as his money." Getty Images Donald Trump's most controversial quotes On America: "The American Dream is dead. But if I get elected president I will bring it back bigger and better and stronger than ever before and we will make America great again." GETTY

The undercurrent of ‘choose the lesser of two evils’ that has come to define this election continued with her imploring his supporters to ignore the FBI investigation into Hillary Clinton’s emails and vote for her, “or we are all f**ked”.

“We do not want a wall built around the US paid for with our hard-earned money. All politicians lie. All!! Even our most beloved and esteemed. Can we please get off the email scenario and focus on the bigger picture? If Trump were elected we would be at war in no time at all. The whole world is laughing at us right now. I can only imagine what Trump writes in his e-mails.

What to expect from the US election

“Wake up people - this is not a reality show. I appreciate his charm and entertainment value but he is not qualified to be a head of state! Facts! Vote Clinton or we are all f**ked.”

The embattled Republican nominee has been hit by accusations of sexual assault from a number of women, which he has denied, and lewd comments unearthed from 11 years previously that shocked when many thought they couldn’t be shocked by his actions anymore.