(CNN) – Presumptive GOP presidential nominee Mitt Romney will be joined in Las Vegas next week by two of his backers: former candidate Newt Gingrich and reality television star Donald Trump.
The event will take place Tuesday at Trump's International Hotel on the Strip. Romney's campaign is also raffling a chance to have dinner with Trump for supporters who donate to the campaign.
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"I want you: Dine with the Donald," a campaign flier proclaims, along with a drawing of Trump.
The campaign offers: "Airport transportation in the Trump vehicle; Stay at the Trump International Hotel & Tower New York; Tour the Celebrity Apprentice Boardroom; Dine with Donald Trump and Mitt Romney."
Trump, who flirted with a bid for the White House last year, said he wouldn't run for the White House because he didn't want to cancel his reality show, "The Apprentice" in order to comply with equal air time laws for candidates.
After a parade of GOP candidates visited Trump in Manhattan, the celebrity business magnate finally announced he was backing Romney in February.
"It's my honor, real honor, to endorse Mitt Romney," Trump said, with Romney and his wife standing nearby. Calling Romney "tough" and "smart," Trump said, "he's not going to continue to allow bad things to happen to this country."
Trump was not always so positive regarding Romney's record. During an interview on CNN's "State of the Union" in April, Trump criticized Romney for eliminating jobs while in the private sector.
"He'd buy companies. He'd close companies. He'd get rid of jobs," Trump told CNN Chief Political Correspondent Candy Crowley. "I've built a great company. My net worth is many many times Mitt Romney."
Gingrich, who dropped his bid for the GOP nomination in April, said in a CNN interview soon after suspending his campaign he was backing Romney.
"I said I want to campaign for him and he will appoint dramatically better judges than the president and he'll do a better job creating jobs than the president and he'll do far more to balance the budget. I went down the list of why Mitt Romney is better than Barack Obama," Gingrich said on "The Situation Room with Wolf Blitzer."
CNN's Steve Brusk and Kevin Liptak contributed to this report.