Mariah Carey geared up for the holiday season with Jimmy Fallon on “The Tonight Show” yesterday.

The Grammy Award-winner sat down with the talk show host to tease her upcoming

Christmas show and promote her new children’s book entitled

“The Christmas Princess.”  Among other things, the unofficial

Queen of Christmas” spoke about a possible collaboration with her friend and

“Stranger Things” actress Millie Bobby Brown.

Dressed in black down to her feet, Carey wore a fitted black dress with an asymmetrical neckline

a single shoulder strap and off-the-shoulder sleeves.

The garment featured angular cut-outs and a lengthy skirt.

The “All I Want For Christmas Is You” songstress packed on the bling,

the star stacking on diamond bracelets and dazzling dangling earrings to match.