EXCLUSIVE: Mariah Carey and Bryan Tanaka Cozy Up at NYC Hot Spot: Their Chemistry Was 'Undeniable'

Things are heating up with the songstress and her hunky new beau!

If all she still wants for Christmas is new love, looks like Mariah Carey has found it!

Hot on the heels of their steamy Hawaiian beach rendezvous, the songstress and her backup dancer, Bryan Tanaka, were seen looking cozy at a screening for her new E! docuseries, Mariah’s World, in New York City on Sunday night.

WATCH: Inside Mariah Carey and Bryan Tanaka’s Romantic PDA-Filled Day in the Sun

“Mariah’s chemistry with Bryan was subtle, but undeniable,” an onlooker tells ET. “It is the way they communicate. They seem so happy in each other’s’ presence. They are on the same page -- their laughing and the glances between them. You can see it in the photos.”

The couple attended the intimate event at celebrity hot spot Catch NYC, where Carey -- who recently split with Australian fiancé James Packer -- arrived around 10 p.m., posed for photos, then headed to a table cordoned off by velvet ropes.

After sipping champagne during the screening, the 46-year-old star was joined in another section by Tanaka, her makeup artist and manager for dinner.

“It was interesting to see that Bryan was as big a presence in some ways as Mariah was,” says the source, adding that the 33-year-old dancer was seated next to Carey. “He is definitely a force in that camp.”

WATCH: ‘Mariah’s World’: Mariah Carey Recalls ‘Great Moments’ With James Packer

Jeff Kravitz/FilmMagic for Mirage Entertainment
Jeff Kravitz/FilmMagic for Mirage Entertainment
Jeff Kravitz/FilmMagic for Mirage Entertainment

The couple made headlines after being snapped locking lips and frolicking in the waves during their recent Hawaiian vacation.

The romantic excursion came just weeks after Carey called it quits with Packer.

See more on their PDA-filled beach day in the video below.