Jimmy Fallon and Justin Bieber had a surprise for visitors to Central Park in New York City, although no one seems to have noticed who they were.
The two stars got dressed in stupid disguises and headed for the famous local Big Apple for a "Musical Photobomb" challenge, dance and synchronize their lips with Bieber's hit song "What Do You Mean?" Behind the unaware parkgoers.
Wearing clothes, wigs, sunglasses and fake mustaches, Fallon, 43 and Bieber, 24 years were completely unrecognizable.
Both seemed to be enjoying themselves in abundance. Eventually, their playful energy became infections, with children and other visitors joining them in the dance.
At the end of the clip, Fallon and Bieber tore their disguises to the thrill of those around them. "Oh my God, Justin!" He screamed a sea of teenage girls, who posed with the popstar for selfies.
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All was in celebration of historical visit of The Tonight Show to Central Park. For the first time ever, the late-night feature broadcast live from a stage in the center of the park.
"It's a huge deal for us." No late-night show did, "Fallon told the PEOPLE editor Jess Cagle in the last episode of The Jess Cagle Interview .
Fallon also told Cagle about the Bieber segment, which was recorded in August. "We have a couple of surprises," said Fallon. "We went out and we already shot something in Central Park with a friend of ours, I do not want to say his name [but] rhymes with" Justin Greeber. " stupid and it's really funny. "
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The vet Saturday Night Live also talked about what he loves doing The Tonight Show .
"It's the funniest thing, especially for me," he said. "I can interview people every single day, I have several musical guests, we do sketches, we do things like game shows, every night something different … Just last week we had Paul McCartney do a sketch. When will you see a Beatle making a sketch? & # 39; … Call me Jim, however.
RELATED VIDEO: Previews of Jimmy Fallon The Tonight Show Episode in Central Park
Although TV viewers saw Bieber dance around Central Park on Thursday, the singer was seen the same day walking hand in hand with his girlfriend Hailey Baldwin in a New York court where marriage licenses were issued.
TMZ , who got the photo, reported that Baldwin and Bieber seemed extremely emotional, with a court member saying Bieber to Baldwin: "I can not wait to marry you, baby."
A source also said at TMZ Bieber a fu court, "Thank you for keeping it on the DL."
However, a friend of Bieber told PEOPLE that a wedding is still being worked on. "They hired a wedding planner and visited the venues," said the friend. "The plan for now is to have a true marriage."