Trump and Kim will first sit down for a one-on-one meeting accompanied only by personal translators.
It's unclear what Trump and Kim might decide Tuesday.
Rodman claimed that several officials, including former President Barack Obama, brushed him off and did not take his trips to North Korea seriously: "Obama didn't even give me the time of day", Rodman said.
"I feel really great", Trump said alongside Kim. The meeting was initially meant to rid North Korea of its nuclear weapons, but the talks have been portrayed by Trump in recent days more as a get-to-know-you session.
Critics said the pomp and ceremony lent too much prestige to Kim, a dictator who imprisons his opponents, murders his opponents, and has pursued long-range nuclear weapons.
The North Korean autocrat's every move will be followed by 3,000 journalists who have converged on Singapore, and by gawkers around the world, up until he shakes hands with Trump on Tuesday. They discussed Singapore-North Korea relations and developments on the Korean peninsula amidst Kim thanking the Singaporean premier for hosting the summit. But many say this is highly unlikely, given how hard it has been for Kim to build his program and given that the weapons are seen as the major guarantee to his holding onto unchecked power.
It was a day of pleasantries, but little public substance.
Only hours before the White House announcement, US Secretary of State Mike Pompeo had seemed to lower expectations for the meeting, which Trump had earlier predicted could potentially yield an on-the-spot deal to end the Korean War.
"I think things could work out very nicely", Trump said in a Tuesday meeting with Singapore's Prime Minister Lee Hsien Loong.
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"President Trump believes that Kim Jong-un has an unprecedented opportunity to change the trajectory of our relationship and bring peace and prosperity to his country", he told reporters. Later, during a working lunch, Trump asked photographers for good pictures "so we look nice and handsome and thin". One dispatch by the Korean Central News Agency said North Korea and the United States would exchange "wide-ranging and profound views" on establishing new relations, building a "permanent and durable peace-keeping mechanism", achieving denuclearization and "other issues of mutual concern, as required by the changed era". "We will be fine!"
Representatives from the White House Correspondents' Association, The AP, Reuters and Bloomberg did not immediately respond to a request for comment.
Seoul lives under constant threat of an attack by North Korea, and the country's leadership has been adamantly promoting diplomatic talks in order to avoid a full-blown conflict, especially as Pyongyang appeared closer to developing a nuclear weapon that could fit on an intercontinental ballistic missile. "But", he added, "'The Apprentice' had more likable characters, more credible plots, and didn't involve the enslavement of 25 million people or prospect of nuclear war".
That hasn't stopped Trump from heightening anticipation for the summit, which he views as a landmark event that his predecessors could never have accomplished.
After greeting each other for the first time at 9 a.m. Tuesday Singapore time - 9 p.m.
Media gather outside the Capella Hotel.
The thaw, however temporary, is a far cry from past year, when Trump threatened North Korea with "fire and fury" and mocked Kim as "Little Rocket Man", and Kim slammed Trump as the "mentally deranged U.S. dotard". It's a price they are willing to pay for peace.
Kim Yo Jong gained notoriety at the Winter Olympics in South Korea. I knew it. I was the only one.
Trump and Kim arrived in Singapore hours apart Sunday.
Kim Yo Jong seen Monday night during the mini tour around Singapore. On Monday night, he strolled the downtown area of this trade and finance capital, taking in the sights and posing for selfies with local citizens. Trump said he was sure they would have a "terrific relationship".
Goldgeier expressed concern about the plan for Trump and Kim to meet alone, with only interpreters in the room. That could lead to misunderstandings, he said, if there are no witnesses to record what is said. Yes, kind words, yes, they're meeting. Trump is to be joined by Pompeo, chief of staff John Kelly, national security adviser John Bolton and a few others.
Another possibility from the summit is a deal to end the Korean War, which North Korea has long demanded, presumably, in part, to get United States troops off the Korean Peninsula and, eventually, pave the way for a North Korean-led unified Korea.
Sanctions on North Korea would remain in place until that happened, Pompeo said on Monday.