And it worked. Trump and Kim will create history by attending the US-North Korea Summit and addressing the world together.
The official said Trump and Kim would hold a one-on-one meeting on Tuesday that could last up to two hours.
"People are going to be very impressed and people are going to be very happy and we are going to take care of a very risky problem for the world", Trump said.
"We will not be surprised by any scenario", said the official. "We overcame all that and we are here now".
"I think the U.S. still sees the negotiation with North Korea from the perspective of American exceptionalism". He has also raised the possibility of further summits.
In a statement, the White House said Mr Trump would speak to the media before departing for the USA at 8:00pm.
Tuesday's meeting will be the first between a sitting U.S. president and a leader of North Korea, whose nuclear and ballistic missile ambitions have raised global concerns and seen tensions soar.
During a press conference in Singapore, Pompeo noted that this is the only result that will take US. Kim has been accused of horrific rights abuses against his people.
Alan Heng, 55, hung around with his brother near the hotel, hoping to catch a glimpse of the elusive North Korean leader while enjoying the electric atmosphere.
Trump also reached Singapore on Sunday night. "We will all know soon whether or not a real deal, unlike those of the past, can happen!"
"I just think it's going to work out very nicely", said Trump at a working lunch with the prime minister of Singapore, Lee Hsien Loong.
Trump traveled to Singapore from Canada, where he left the G7 summit early and alienated leaders with a refusal to agree to a post-meeting communique on trade policy.
It's the summit eve in Singapore.
The president planned to stop in Guam and Hawaii on the way back to Washington.
The meeting is scheduled to start at 9 am (Singaporean time) or 6:30 am (Indian Standard Time).
Whether Trump and Kim will be able to bridge the gap on this key issue remains the key question ahead of the summit.
Bolton's presence at the meeting risks provoking the North Korean delegation.
"It should go fairly well, but people should not expect so much for the first time", Rodman told reporters at the airport. Or, it could amount to little more than a much-photographed handshake.
After the 2016 election, then-US President Barack Obama told Trump that North Korea was the biggest national security threat he faced, according to a US official.
At the conclusion of the summit, President Trump will participate in a media availability before departing tomorrow at approximately 8 p.m. for the United States.
While there will be "vigorous negotiations" on denuclearization, Trump said he believes Kim is "very talented" and will follow through on his pledge to disarm in exchange for economic assistance.
"We can not only rely on the North Korea-U.S. dialogue for the resolution of the North Korean nuclear issue and the end to the hostile relationship between the two". Both the leaders will discuss issues such as North Korea denuclearisation and an end to the Korean War, Fox News reported.
"I can only say this", Pompeo said.
Pompeo said these guarantees would be "different and unique" than America has been willing to provide before. The diplomacy is an extraordinary turnaround from a year ago, when Trump threatened the North with "fire and fury" and Kim dubbed him a "mentally deranged USA dotard".
In the lead up to the summit, North Korea rejected any unilateral nuclear disarmament, and KCNA's reference to denuclearisation of the peninsula has historically meant that Pyongyang wants the United States to remove its "nuclear umbrella" protecting South Korea and Japan.
Singapore is one of the few countries that have diplomatic relations with both the USA and North Korea.
"It was possible that we got to this point thanks to President Trump and Chairman Kim's bold decisions".
Trump said his staff showed the film to Kim, and "I think he loves it". "That's what I do".