A huge crowd formed at Bugis Junction mall yesterday afternoon to catch a glimpse of two impersonators of North Korean leader Kim Jong Un and United States President Donald Trump.

The duo, who made headlines in February when they appeared at the Pyeongchang Winter Olympics, were taking part in their own "summit" ahead of the historic meeting between the two leaders on Tuesday.

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The event at the shopping mall, dubbed The "Real" Trump Kim Summit, also provided an opportunity for fans to take a selfie with the impersonators.

It cost $10 with one impersonator and a discount was offered for one with both - $15.

About 100 fans turned up to take pictures with them.

The two-hour "summit" was hosted by Vybes, a global start-up headquartered in Singapore. The company says its mission is to "connect influencers to their fans in a unique way".

Tickets had to be purchased beforehand through the Vybes app.

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Decked out in a black suit with a North Korean flag pin and black-rimmed glasses, Hong Kong-based Kim impersonator Howard X did not miss a beat with his performance, which came complete with the North Korean leader's signature hand wave.

Mr Howard, who is in his late 30s, sported a similar slicked-back hairstyle to that of Mr Kim.

Trump impersonator Dennis Alan came clad in a navy suit and a red tie with an American flag pin. The 64-year-old from Chicago completed the look with his blond hair parted to the side, like Mr Trump.

Fans hoping to catch the Trump-Kim impersonators can still do so at the same venue today.