But while Trump's wife Melania stood by the Republican candidate as he cracked jokes about his rival, Bill Clinton was nowhere to be seen.
And she could have done with the backup.
Not only could the candidates barely stand to look one another in the eye as they arrived for the Al Smith Memorial Foundation Dinner at the Waldorf Astoria hotel in New York, but Melania also had a death stare for Hillary Clinton.
Clinton, colorful in a fuchsia Ralph Lauren collection gown, had also grimaced as she passed her opponent's wife.
Melania, who wore a sexy, black backless number, was also the source of one of the largest laughs of the evening.
The Republican had turned to his 46-year-old wife, to make light of her lifting of sections of Michelle Obama's speech from the 2008 DNC.
'The media has been so biased, more than ever,' he said. Gearing up for his punchline, he continued: 'This is going to get me in trouble.
'Michelle Obama made a speech and everyone loved it. It was great.
'My wife, Melania, made the exact same speech and everyone gets on her case.' Speaking over the roaring laughter of other guests, he said: 'Stand up, Melania!'
Clinton was next, making a self-deprecating speech which poked fun at Trump's portrayal of her as having a lack of stamina.
'This is such a special event that I took a break from my rigorous nap schedule to be here,' she joked.
The former first lady was sat next to Cardinal Timothy Dolan at the top table of the Al Smith Memorial Foundation dinner at the Waldorf Astoria Hotel in New York.
Her husband Bill was not included in the event's seating plan.
It is not clear why the former president did not join Clinton at the event.
But he may still be smarting from his lack of invite while he was a presidential candidate.
The dinner raises money for Catholic charities and has become a staple in presidential campaigns. It is such a ritual that it even has its own episode of The West Wing dedicated to it.
But there have been rare breaks in tradition. One of those was in 1996 - while Bill Clinton was campaigning for a second term - when neither presidential candidate was invited to speak.
The official explanation was that the candidates were not able to confirm attendance. But it was widely reported that Catholic leaders were furious with Clinton after he vetoed a bill that would have outlawed late-term abortions.
Presidential candidates were also excluded in 2004, and once again, there was speculation that it was due to Democratic nominee John Kerry’s pro-choice stance.
Cardinal Dolan gave Trump a warm pat on the back as he made his way towards his seat. The Donald, meanwhile, cast a less kind expression to his opponent as she looked away