Joe Biden has defeated incumbent Donald Trump to win the US election and become the 46th President of the United States.

The news followed a protracted, four-day process as an unprecedented number of postal votes were counted in swing states around the country, with a projected Biden victory in Pennsylvania finally getting him over the line.

Here, we round up how key figures from the world of entertainment have reacted to Biden's win.

Cher: "OMG HE DID IT,SHE DID IT,THEY DID IT. I JUMPED ON MY BED... HAPPINESS IS JUST A THING CALLED PRESIDENT JOE ....& VICE PRESIDENT KAMALA - KAMALA THE FIRST WOMAN, A BEAUTIFUL WOMAN OF COLOR. GOD BLESS OUR AMAZING PRESIDENT ELECT OUR VICE PRES.ELECT"

Michelle Visage: "FOR MY GAY DAUGHTER, ALL PEOPLE OF COLOR, THE ENTIRE LGBTQIA+ COMMUNITY, TODAY IS A GOOD DAY! DEMOCRACY REIGNS"

Edward Norton: "I'm actually a little bit shaky with relief. Nothing has made me feel sustained anxiety & dismay for this long other than loved ones being seriously ill. That's how this felt, except the sick loved one was America & I feel like we just got the news that she's going to recover"

Mark Ruffalo: "So long, grifter!"

Julia Louis-Dreyfus: "'Madam Vice President' is no longer a fictional character."

George Takei: "I'm breaking out the good champagne!"

Seth Rogen: "They did this shit on Saturday so we could get fuuuuuuuuuucked up."

Lady Gaga: "@JoeBiden @KamalaHarris and the American people, you just gave the world one of the greatest acts of kindness and bravery humanity has ever seen. nothing but love for our new Commander in Chief and the 1ST female VP elected to the White House. Also, way to go PA"

Barbra Streisand: "Honesty and integrity won out!"

Miley Cyrus: "Now THIS is a PARTY IN THE USA!"

Shakira: "The world is in the hands of someone civil and compassionate. Now it's time to clean up the environment, provide quality education and health services to all. We all have to do our part, but the groundwork is laid. Now a little dance with my kids to celebrate!"

Sia: "Squeeeeeeeeeeeee! That was a fucking weird four years. Kamala go Kamala! Congratulations world!"

Pink: "This news has brought me to tears. I was overwhelmed with relief for this country. I was overwhelmed for Kamala and the inspiration that she brings to girls everywhere. Van Jones made me cry ugly tears. This country has so much work to do to come together. I pray we can do it."

Rosie O'Donnell: "trump is fired"

Ricky Gervais: "Now it's all over I can tell you that it was me who ate the bats."

Hillary Clinton: "The voters have spoken, and they have chosen @JoeBiden and @KamalaHarris to be our next president and vice president. It's a history-making ticket, a repudiation of Trump, and a new page for America. Thank you to everyone who helped make this happen. Onward, together."

Donald Trump: "I WON THIS ELECTION, BY A LOT!"