LeBron James helps Hillary Clinton's full court press in Cleveland

Less than 48 hours after Hillary Clinton celebrated the endorsement of Queen Bey in Cleveland, she was back in the 216 to rally with King James.

LeBron James, an Akron, Ohio native, was joined by Clinton and his Cleveland Cavaliers teammate J.R. Smith onstage, introducing the Democratic candidate as "President Hillary Clinton."

"I know the whole notion of getting out and voting. I was one of those kids and I was around a community that was like, 'our vote doesn't matter,'" James said. "But it does, it really, really does."

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"This woman, right here, has the brightest future for our world," James said.

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James published an op-ed back in October in which he endorsed Clinton for president.

When I look at this year’s presidential race, it’s clear which candidate believes the same thing. Only one person running truly understands the struggles of an Akron child born into poverty. And when I think about the kinds of policies and ideas the kids in my foundation need from our government, the choice is clear.

That candidate is Hillary Clinton.

Smith also shared a photo of he and his family on his Instagram account, saying, "Words could never explain this feeling! 'We are with her.' Our New President #votehillary2016 #strongertogether."

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It was the third day in a row that Clinton has campaigned in a key swing state with a big-time celebrity. On Friday, she attended a Cleveland rally with Beyonce and Jay-Z and, on Saturday, she campaigned with Katy Perry in Pennsylvania.

FiveThirtyEight currently is forecasting that Clinton will win in Pennsylvania but lose in Ohio. RealClearPolitics's polls currently have Trump up in Ohio and Clinton up in Pennsylvania.