Has Katie Holmes finally moved on from Tom Cruise ... with his "Collateral" costar Jamie Foxx?

That's the rumor currently gaining traction around the Internet this week, after the two were seen dancing together at a recent charity event in East Hampton back in August.

But, is it just a rumor? According to Jamie himself, yep.

"[The rumors] are 100 percent not true," the 34-year-old actor tells Entertainment Tonight. "In fact, it's quite hilarious because we simply danced at a charity event along with a lot of other people."

He makes a very solid point. In photos from the event, the two are seen sharing the stage with stars like Pharrell, Ellen DeGeneres and even Colin Powell.

If they were dating, it wouldn't be the most random pairing in Hollywood. Check out the gallery above to see some surprising hookups with some very big stars!

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