Billie Eilish is already ditching her new blond ‘do.

The singer took to Instagram to share her Halloween costume, revealing that she dressed as avatar guitar Noodle from the band Gorillaz — complete with head-to-toe latex and a bright blue bob.

For the costume, Eilish slipped into a white latex minidress trimmed in red, adding latex elbow-length gloves and thigh-high striped latex socks.

She accessorized with Converse sneakers and a red ribbon around her neck, and it’s unclear if the “Bad Guy” singer wore a wig or dyed her newly chopped hair.

Along with tons of fan support in the comments, Eilish even received a message from Seye Adelekan, the bassist for Gorillaz, who wrote, “Smashed it. Come to our show next time!”

Though the singer has had deep brown — almost black — hair for years now, she’s well known for her myriad of bright colors over the years.

She also popularized the trend of colored roots in a brightly contrasting shade to the rest of her darker locks.

Eilish did, however, return to her natural tone last month, sharing a mirror selfie in which she sported a strawberry blond cut that was also her shortest ever.

The singer is slowly beginning to return to the spotlight after taking a bit of a hiatus to film the upcoming screen adaptation of Sylvia Plath’s “The Bell Jar.”

In it, she plays the main character, Esther Greenwood.