Millie Bobby Brown's bleach-blonde era may be coming to an end, as the Stranger Things star has shocked fans with a new ...

On Thursday, the pop star, 33, posted a makeup-free selfie on Instagram ... the photo showing off her bleached brows, with her bubble gum pink hair tied into a front top knot.

singer matched her ensemble with rosy glam, complete with fluttery eyelashes, light-pink eyeshadow ... black velvet bodice and ultra-poofy bubblegum-pink pleated skirt. Grande styled her hair ...