Inside Mariah Carey and Bryan Tanaka's Romantic PDA-Filled Day of Fun in the Sun

'Baby, all I want for Christmas is you!'

Nothing coy about this!

Mariah Carey may be keeping mum on whether she is dating backup dancer Bryan Tanaka after splitting from fiance James Packer, but these PDA-heavy photos from the tail end of the 46-year-old singer's Hawaii vacation seem to indicate that something may definitely be going on!

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WATCH: Mariah Carey Shows Off Amazing Bikini Bod on Hawaii Vacation With Her Kids

In the romantic snaps, Tanaka takes Carey in his arms, and the two kiss in the water while Tanaka holds up one of her legs.

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"[Mariah] was in a great mood, laughing and giggling most of the time," an eyewitness tells ET. "[They] were having fun, play fighting, kidding around and being very affectionate."

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Tanaka shared some sweet moments from the getaway to his Instagram, captioning one shot, "You know those moments when you're like... is this real life!? And then you realize it is!"

"#Aloha #Hawaii #MuchLove," he wrote on another.

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Ahead of the fun weekend, Tanaka went down memory lane in one snap with Carey, writing, "#FlashbackFriday to filming #MariahsWorld on tour in Europe!!! It's going to be an epic show!!!"

Whatever's going on, these two sure look good together!

WATCH: Meet Bryan Tanaka, Mariah Carey's Sexy Backup Dancer in the Middle of Her Split From James Packer

Watch the video below for what you need to know about Carey's rumored new flame.