The author looked straight-up magical in a long-sleeved, fitted maroon gown with a thigh-high slit.
She paired the gown with purple pumps, a sparkly clutch and some serious statement earrings.
“Fantastic Beasts and Where to Find Them” took home an award for best production design, but we’d say Rowling herself won the award for best selfie of the night, posing with “Beasts” star Eddie Redmayne and Emma Stone.
Swoon. So much to obsess over, so little time. Check out the rest of the looks from the show: