Story highlights Cuban has tried to publicly shame Trump throughout the 2016 campaign

Cuban endorsed Clinton in July

(CNN) When Donald Trump takes the stage on Monday night's prime-time presidential debate, one of the few faces he will see will be that of a fellow billionaire that has tried to savage him in public.

Mark Cuban, the owner of the Dallas Mavericks, was invited by the Clinton campaign to sit in the front row at Monday night's debate.

"Just got a front row seat to watch @HillaryClinton overwhelm @realDonaldTrump at the "Humbling at Hofstra" on Monday," Cuban tweeted. "It Is On!"

A Clinton aide later confirmed that Cuban was, in fact, invited by the Clinton campaign.

"He has the best seat we have access to," the aide said.

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