Mariah Carey and Boyfriend Brian Tanaka Look like True '80s Rock Stars at Heidi Klum's Halloween Party

Mariah Carey dressed up as a rockstar with fishnets & a sheer bodysuit, at Heidi Klum’s Halloween party in NYC.

Mariah Carey made quite an entrance at Heidi Klum's Halloween party dressed to kill as an 80s rock star.

The Diva of Pop sashayed into the party by the side of her boyfriend, Bryan Tanaka, who was rocking some cool threads himself.

Heidi Klum, was a showstopper in a gory, blood and guts alien costume

MARIAH CAREY - HOT TO ROCK

Even those of us used to seeing the divine Miss Carey in satin and sequined elegance have to admit she really nailed that sexy rocker look.

Mariah shared a photo of herself and her coterie getting ready to hit Heidi's party on Instagram, and she sizzled in a black leather bra, thigh-high red boots, and black fishnets.

MARIAH CAREY'S ROCK STAR HAIR

But what really pulled the look together was Mariah's dramatic blond wig that gave her that authentic 80s wild child look. She accessorized with a lime-green electric guitar, and a red choker.

MARIAH CAREY'S BOYFRIEND ROCKED THAT METAL LOOK

As for Bryan, he wore a black tank top, ripped skinny jeans, a leather belt spiked with silver studs, an electric guitar, and a spiky wig with a sweatband. He was a fitting match for Mariah.

MARIAH CARREY WELCOMES CHRISTMAS

Mariah started Halloween with her kids and pumpkins and ended it at the hottest party in town.

The hostess, Heidi Klum, was a showstopper in a gory, blood and guts alien costume, and to judge by the snaps, a good time was had by all,

The next day, Mariah posted a video that showed her going to sleep in her rocker persona, and waking up as her usual wholesome self, welcoming the Christmas season.

All we want for Christmas is you, Mariah...

MARIAH CAREY HAS A SING-ALONG WITH HER TWINS

Mariah Carey was invited to sing the theme song from the sit-com "Mixed-Ish," "In the Mix."

"Mixed-Ish" is a spin-off from ABC's successful TV show "Black-ish," and chronicles the story of the main biracial character Rainbow Johnson's childhood.

Mariah, who is biracial herself, was invited to sing the theme, and she brought her twin children, son Moroccan and daughter Monroe, along to the studio- and the two proved to have quite a talent for music.