Mariah Carey and her son Moroccan dressed up as Alvin and the Chipmunks for Halloween.

In pH๏τos posted by Carey’s 13-year-old son Moroccan, the songstress donned furry ears and Alvin’s red outfit while her child dressed up as Simon in blue.

The duo were also joined by a friend of Moroccan’s who dressed up as Theodore in green.  

The pH๏τos were also shared by Mariah and captioned by her son as ‘Happy halloween!! – 7 days later and during its time.. Heh serrryy.’

The post also contained snaps of Mariah clad in black catsuit and ears as she posed beside a ghost.

Mariah Carey and her son Moroccan dressed up as Alvin and the Chipmunks for Halloween

‘Happy halloween!! – 7 days later and during its time.. Heh serrryyy,’ Moroccan wrote, adding a laughing, a Christmas tree and a jack-o-lantern emojis

The post also contained snaps of Mariah clad in black catsuit and ears as she posed beside a ghost 

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Moroccan added several emojis to the caption, including a Christmas tree. 

Moroccan posted the pH๏τos on Friday, hours before he and his sister took the stage during their mom’s concert at the Hollywood Bowl. 

‘What do do you guys think about taking over the show while I go backstage for a little while?’ Mariah asked her kids as she prepared to leave the stage for an outfit change.

She then summoned her glam squad to walk her offstage. ‘You know I always need an escort,’ she quipped.

Moroccan was dressed in a red sports jersey and gray pants and headed for a drum set.

In the first two pics Mariah is wearing a black catsuit and cat ears and posing next to a ghost

Moroccan posted the pH๏τos on Friday, hours before he and his sister took the stage during their mom’s concert at the Hollywood Bowl

‘What do do you guys think about taking over the show while I go backstage for a little while?’ Mariah asked her kids as she prepared to leave the stage for an outfit change

Monroe wore a strapless red mini-dress, fishnet stockings and black boots and grabbed a small electric guitar.

They then began playing the opening bars to The Waitresses’ Christmas Wrapping song while backup dancers joined them.

As soon as everyone was in place, they began singing the lyrics to the 1981 holiday classic.

The duo later performed a mashup of Let it Snow and Deck the Halls.