“Know that we will not back down,” the Girls5eva star wrote on Instagram.

“Know that we will not back down,” she wrote.

“This is the fight of a lifetime, y’all,” Philipps wrote.

Photo by: John Nacion/STAR MAX/IPx 2022 6/24/22 Busy Philipps at a protest against the Supreme Court decision to overturn Roe v. Wade.

Busy Philipps at a June 24 protest against the Supreme Court decision to overturn Roe v. Wade.John Nacion/STAR MAX/IPx/AP

“It’s not gonna be short, easy or without setbacks,” she wrote.

“But we must MUST MUST keep showing up and taking action.

YOU must.

I promise I will.”

She also tweeted about her abortion in 2019 in an attempt to destigmatize conversations about the procedure.

Philipps concluded Friday’s Instagram post with an all-caps plea.

“ENOUGH OF THIS.

ENOUGH OF BEING BULLIED BY PEOPLE WHO DO NOT CARE ABOUT YOU OR ME.

WE HAVE TO ALL SHOW THE F— UP.