Mariah Carey 54 and her boyfriend Bryan Tanaka 40 sparked

Mariah Carey, 54, and her boyfriend Bryan Tanaka, 40, sparked breakup rumors after he was absent from the start of their Christmas tour

Mariah Carey’s die-hard fans are wondering if the legendary diva and her younger boyfriend Bryan Tanaka may have gone their separate ways.

The 54-year-old singer and the 40-year-old backup dancer sparked breakup rumors after their concert Wednesday night at the Yaamava’ Resort & Casino in Highland, California.

Bryan has been regularly showing off his dance moves at their shows for more than a decade, but viewers took to social media to say they noticed he was nowhere to be seen.

Others felt Mariah – who will make her awards show debut to her modern holiday classic “All I Want For Christmas Is You” at the Billboard Music Awards – looked downcast, with some complaining about her supposedly low-energy performance.

Adding to the worries about a possible separation was the fact that Bryan has not been seen at all on the hitmaker’s Instagram profile since December 2022.

Trouble in paradise?  Mariah Carey's die-hard fans expressed concern that she and boyfriend Bryan Tanaka may have broken up after her Christmas concert on Wednesday

Trouble in paradise? Mariah Carey’s die-hard fans expressed concern that she and boyfriend Bryan Tanaka may have broken up after her Christmas concert on Wednesday

MIA: Eagle-eyed fans noticed that he was missing from their dance company, even though he had been an important part of their tours for more than a decade

MIA: Eagle-eyed fans noticed that he was missing from their dance company, even though he had been an important part of their tours for more than a decade

“We need Bryan Tanaka back!” wrote one person on X (formerly known as Twitter) after reposting a video of Mariah’s appearance at the casino.

She wore a sparkling red sequin bodysuit that showed off her legs and featured broad shoulders and gold epaulettes.

There was no sign of her boyfriend as she began singing the introduction to her annual Christmas hit “All I Want For Christmas Is You.”

As she sang, she moved forward toward the front of the stage in small, robotic steps, barely moving her upper body.

She also didn’t appear to be smiling as broadly as she had in some previous appearances, while a few moments in the clip even revealed what looked like a strained expression.

“I don’t see Bryan Tanaka. Where is he?’ another concerned fan added in response to a wider angle clip that showed more of her backup dance ensemble.

“She looks depressed, like there’s something going on behind the scenes,” another fan speculated.

Mariah’s last Instagram post with Bryan appears to be from December 26, when the two beaming lovebirds posed side by side to celebrate Boxing Day.

She also included a sweet photo of her 12-year-old twins, Moroccan and Monroe, who she shares with ex-husband Nick Cannon.

She and the Wild ‘N Out host were married from 2008 to 2016.

By her side: Tanaka has been dancing on Mariah's tours since 2006, according to Page Six;  seen in September 2022 in NYC

By her side: Tanaka has been dancing on Mariah’s tours since 2006, according to Page Six; seen in September 2022 in NYC

The end?  Mariah's last Instagram post with Bryan appears to be from December 26, when the two beaming lovebirds posed side by side to celebrate Boxing Day

The end? Mariah’s last Instagram post with Bryan appears to be from December 26, when the two beaming lovebirds posed side by side to celebrate Boxing Day