Vice President Kamala Harris’ and former President Donald Trump’s campaigns are in a down-to-the-wire blitz to mobilize voters ahead of Election Day on Nov. 5.

A new batch of polls shows that the presidential race remains tight in many of the battleground states that are likely to matter the most, including Pennsylvania, Michigan, Wisconsin and Arizona. The latest polls in Georgia show Trump with a slight lead, but Harris campaign officials say they remain confident the state — along with its neighbor North Carolina — are still in play come November.

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On Friday, the vice president will be in Texas, a Republican stronghold, to support Democratic Senate candidate Rep. Colin Allred, who trails Republican Sen. Ted Cruz. She’ll also sit down for a podcast with Brené Brown, a podcaster best known for her TEDx talk “The Power of Vulnerability.”

But the big news is Beyoncé, who is expected to perform at a rally for Harris in Houston and has previously given permission for her 2016 song “Freedom” to be used during the campaign. Additionally, Willie Nelson is also expected to be in attendance. The venue for the rally has not yet been revealed.

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Minnesota Gov. Tim Walz, Harris’ running mate, will bring the Democratic presidential campaign to Philadelphia, Allentown and Scranton, Pennsylvania, on Friday before traveling to Las Vegas, Nevada.

On Saturday, former first lady Michelle Obama and the Democratic presidential candidate will travel to Kalamazoo, Michigan, for a joint Get Out the Vote rally—the first day of early voting in the state. This will be her first event on the campaign trail for the Harris-Walz campaign.

Walz will travel to New Mexico on Saturday before heading to the Grand Canyon State to campaign for the Democratic ticket. His itinerary includes a stop in Window Rock, the capital of the Navajo Nation, followed by a rally in Phoenix.

Early voting has been underway for nearly two weeks, and according to the Arizona Republic, top supporters for both campaigns are spending time in the state to encourage voter turnout.

Looking ahead, Harris will travel to Philadelphia on Sunday for a campaign event, and on Tuesday, will give a speech on the National Mall in Washington, D.C. The campaign expects to draw nearly 8,000 people, according to a permit application filed with the National Park Service on Oct. 18.

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Francesca Chambers, Michael Collins, Caché McClay and Reuters contributed to the reporting of this story.