Four days away from deciding its new president, the U.S. finally saw a presidential endorsement from Queen Bey herself.

Appearing at a Jay-Z concert supporting Hillary Clinton in Cleveland, Ohio, Beyoncé performed her song Formation before giving a moving speech and dropping a selection of other hits -- including "Run The World (Girls)." The celebrity endorsement could be an incredible boost to the Democratic candidate, as recent polls show her lagging behind Donald Trump in the battleground state.

SEE ALSO: Jay-Z will reportedly perform a pro-Hillary show in Ohio before the election

Along with the performance, Beyoncé delivered a dose of inspiration and political motivation in an attempt to encourage her fans to vote for Clinton.

"I want my daughter to grow up seeing a woman lead our country and know that her possibilities are limitless," she told the audience. "We have to think about the future of our daughters, our sons, and vote for someone who cares for them as much as we do."

And, like her words, her performance was nothing short of fierce.

Huge crowds came out for the Cleveland concert, which also featured Chance the Rapper, J. Cole and Big Sean.

Big, excited crowd here in Cleveland for Jay Z, Beyoncé, Chance, Big Sean. Also Hillary Clinton pic.twitter.com/O7TulEatGx

— Stefan Becket (@becket) November 5, 2016

In the hours leading up to the big event, rumors about Beyoncé's appearance circulated the web. CNN shut down the speculation, while others, like CBS News, confirmed it. The speculation was driving the bee hive -- Bey's fan base -- crazy throughout Friday afternoon.

The hype turned into fact when a photo emerged online at 9 p.m. ET of the couple greeting Clinton backstage at the concert. Beyoncé is wearing a white "I'm with her" t-shirt.

.@HillaryClinton with JAY Z and Beyonce in Cleveland before the concert. pic.twitter.com/11IkkK8j8n

— Doug Mills (@dougmillsnyt) November 5, 2016

It's not the first time the power couple has shown support for a Democratic candidate. Back in 2012, they campaigned for Obama. "For too long we were excluded from the American Dream, and now we have a chance to be a part of that American dream," Jay-Z told supporters at a 2012 Obama rally.

Aside from Friday's concert, the rapper otherwise known as Sean Carter, has been politically active in other ways. Earlier this week, he tweeted an inspirational Elie Wiesel quote about getting political for the sake of the greater good.

11/4 Cleveland. Let's make history (again) Thank you to the incredible artist dedicating their time this Friday! pic.twitter.com/jJEhJu7gL4

— Mr. Carter (@S_C_) November 2, 2016

Meanwhile, Clinton has already shown that she's all about Beyoncé, once telling supporters along the campaign trail that, yes, black girl magic is real.

“Now while your stories are often missing from the history books, make no mistake you are the change makers, the path breakers and the ground shakers — and you are proof that yes indeed Black Girl Magic is real," she told supporters at a Washington, D.C. event in September.