Regardless, Trump seemed determined to keep his meeting with Kim low-key, dangling the possibility of a future summit in the USA if things go well this week.
Rodman has faced ridicule and criticism for his trips to North Korea, which some US politicians and activists view as serving only as fodder for North Korean propaganda. As the site for their meeting, the two leaders have chosen one of Singapore's most luxurious hotels, the Capella Resort on Sentosa Island, a popular vacation spot off the southern tip of Singapore and home to Universal Studios Singapore.
The White House also confirms that US President Donald Trump and Kim Jong-un will hold a one-on-one meeting, with only translators present.
"The tweet showed Balakrishnan, Kim and Singapore's education minister Ong Ye Kung smiling broadly at the camera along with the caption: "#jalanjalan #guesswhere?"
As Trump and Lee sat down for a working lunch at the Istana house, the president sounded optimistic, telling Lee, "We've got a very interesting meeting in particular tomorrow, and I think things can work out very nicely". A cameraman was also heard yelling profanities in Korean.
Japan has dispatched a team of senior government officials to Singapore in an effort to keep abreast of developments related to the summit at which North Korea's denuclearization will be the main item on the agenda.
Mr Trump's first year in office was marked by bitter exchanges between himself and Mr Kim - as North Korea conducted several ballistic missile tests in defiance of the global community.
Less than an hour after his arrival at Changi Airport yesterday afternoon, Kim Jong Un and his delegation drove straight to The St. Regis, where security has been ramped up over the course of last week. President Trump has described it as a "get-to-know-you situation" and said "it's going to be a process".
But after a flurry of diplomatic overtures eased tension in recent months, the two leaders are now headed for a history-making handshake that USA officials hope could eventually lead to the dismantling of a North Korean nuclear programme that threatens the United States. But U.S. officials have since avoided such lofty declarations.
Trump, nevertheless, on nearly a daily basis says and writes things that are demonstrably untrue ― sometimes doing so even though he knows what he is saying is untrue. It will certainly be an exciting day and I know that Kim Jong-un will work very hard to do something that has rarely been done before ...
Another Pyongyang report quoting Kim Yong-nam, the nominal head of state, as telling leader Kim to achieve outstanding outcomes from the summit with the USA has also drawn attention.
Dozens of reporters and cameramen mobbed North Korean chief negotiator Choe Son Hui as she left the hotel amid pushing and shoving.