The star, who is leaving Coronation Street as Michelle Connor, said her partner, Scott Ratcliffe, loved her outfit.
“I FaceTimed Scott in my costume and he thought it was hilarious!” she said.
Kym’s daughter, Emille, joined in on the Halloween shenanigans, as well as her six-month-old son, Teddy.
“Emille dressed as Jasmine from Aladdin and Teddy was so cute as little Abu the monkey,” Kym wrote.