McGowan took aim at the actress for Milanos continued friendship with Georgina Chapman, Harvey Weinsteins ex.
(Weinstein has denied all allegations of non-consensual sex.)
As sexual misconduct allegations against Weinstein mounted, Chapmantold PEOPLEshe was leaving her husband in October.
I have chosen to leave my husband.
Caring for my young children is my first priority and I ask the media for privacy at this time.
On Tuesday, Milano expressed unwavering support for Chapman in an interview with Megyn Kelly.
Shes an amazing mother, Milano said.
Tweeting outthe news, in which Chapman was referred to as Milanos friend, McGowan expressed outrage.
You make me want to vomit, she wrote, referring to Milano.
You actually gave me a body flashback.
Well done, fake one.
McGowan hasnt been shy about calling people out for what she perceives as hypocrisy.
(Both deny the allegations.)
In a follow-up tweet some hours later, McGowan again blasted Milano.
Alyssa, maybe you and Georgina can call up Camille Cosby, McGowan wrote.
