Millie Bobby Brown got a tattoo done at the premiere of Enola Holmes 2

Millie Bobby Brown in a tattoo plunging dress

Coming forward for good things

Coming forward for good things

wore a gown to celebrate the premiere

Celebrating the premiere of Enola Homes 2

Some of Brown's tattoos are visible in the gown

Tattoos are made on the back and ribs of the design

walked the red carpet for the first time