Jason Derulo Teaches Hot 100 Fest His Latest 'Dance Craze,' Teases Justin Bieber's New Single

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Jason Derulo performs during Billboard Hot 100 Festival - Day 1 at Nikon at Jones Beach Theater on Aug. 22, 2015 in Wantagh, New York.  

Even though he didn't croon his own name, Jason Derulo -- fashionably clad in a red jacket that matched his sparkling red shoes -- sang plenty of his signature hits at Billboard's Hot 100 Fest. He delivered "Talk Dirty," "Cheyenne," "Wiggle" and an extended jam on the massive smash "Want to Want Me," which Derulo pointed out recently became the most-added track in the history of top 40 radio (after his set, Derulo tells Billboard he's "a little obsessed with" following Billboard chart positions after his set).

Aside from the stylistically diverse hits stuffed into his tight 45-minute set, Derulo's physical finesse took center stage at the Hot 100 Fest.

Derulo's dancing is some of the slickest in pop or R&B right now -- each move seems to effortlessly evolve from the one before it -- and that athletic stage presence was on full display Saturday evening. Leaping and gliding across the stage like a wildcat on the prowl, Derulo's moves were as much the star as his songs. Part of the reason is simply that he's a major notch above most pop stars who still bother dancing these days -- like the reflexive movements of Michael Jackson or Fred Astaire, he barely looks like he's working at it.

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The Everything Is 4 singer even took a moment to teach the crowd a few of his moves -- although naturaly, the move he asked thousands to imitate was far simpler than 95 percent of the rest of his performance,

"I want you to be the first to learn this new dance craze," Derulo said while introducing new single "Pull Up." Derulo described it as driving "a big ass truck," and sure enough, the move brought to mind what it looks like when you're turning a massive steering wheel. He told the crowd to drop the move "when I say the word 'skrr,'" which probably marked the first time in human history someone has described "skrr" as a word.

The effect was strangely satisfying, though, as it effectively united everyone from the front row pit to the upper level. Another kumbaya moment happened when Derulo tapped Hot 100 Fest attendees as extras in the latest teaser clip for Justin Bieber's upcoming single "What Do You Mean?"

Although JB won't hit the Hot 100 Fest main stage until Sunday night, Derulo made sure the returning pop prince's presence was felt on Saturday by filming a quick Instagram video of everyone screaming "four days!" at the same time (when the clip goes live it will be four days until "What Do You Mean?" drops.)

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After noting the fitting connection between his album Everything Is 4 and the four-days tease, Derulo made sure the crowd knew what he'd done for them: "Y'all are famous, just like that," he joked.

There was one non-musical moment that drew much bigger cheers than his Bieber shoutout -- when Derulo ripped off his shirt for the final 15 minutes of his set to reveal his sculpted, sweaty torso. Although his physique is leagues ahead of most, there was something humanizing about it, too -- despite his effortless stage moves, it was reassuring to know that even Derulo sweats.

Speaking to Billboard backstage, Derulo confirmed he's not entirely superhuman. Admitting his time in the red jacket was the "hottest two minutes of my life," Derulo shared what was going through his head the moment he took it off: "I was like, 'Thank you, Jesus.'"

Additional reporting by Shirley Halperin.

Billboard Hot 100 Fest