Las Vegas (CNN) - Sometimes the previews are better than the movie.
After months of an arm's length relationship between real estate mogul Donald Trump and cautious, no-drama GOP candidate Mitt Romney, "the Donald" went all in for the Republican front-runner in a stunningly sedate press conference Thursday in Las Vegas.
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There was no music and little applause. Romney and Trump shook hands, and the GOP candidate made a quick nod to the surreal pairing.
"There are some things that you just can't imagine in your life," Romney said. "This is one of them."
The pair, accompanied by Ann Romney, took no questions and spoke for less than six minutes all together.
The real drama played out before the grip-and-grin, which Romney and Trump performed dutifully but with little apparent warmth.
Speculation over a Trump endorsement rose to a fever pitch Wednesday evening, when many news organizations incorrectly reported Gingrich would receive the nod.
On Thursday morning CNN broke the news that Trump would back Romney.
In advance of the scheduled joint press conference, Trump strolled the halls of his marble and crystal-bedecked luxury hotel off the Vegas strip. Accompanied by an entourage, the colorful multi-millionaire stopped twice to answer a flurry of questions from national political reporters - many of whom followed the reality TV star from room to room to ask more questions.
Trump told them he would "twiddle his thumbs" while waiting for Romney to arrive.
After giving his endorsement, he was again mobbed by media who strained to hear the tough-talking New Yorker's every utterance.
Trump told reporters he had not been offended that Romney declined to participate in a debate he had been slated to moderate.
"In fact he was very nice," Trump said. "He talked to me about it and I probably could have gotten him to do it if I wanted to."
Asked about how his endorsement would help Romney, Trump said he had "a lot of good relationships with a lot of groups."
"If you look at the tea party. If you look at the Christian coalition. If you look at a lot of different groups, I have very, very strong relationships with them," he said.
He ignored one reporter's question about whether Romney had expressed concerns when Trump questioned the validity of President Obama's birth certificate last year.
Meanwhile, Romney was long gone, having exited out the back of the room following the announcement.
After Trump announced he would not seek the Republican nomination last fall, Romney was one of many GOP hopefuls to make a pilgrimage to Trump's New York office. But the campaign pulled a bait-and-switch with reporters, bringing Romney out through a back door to deny cameras any footage of the meeting.