didn't know."

Hammer recently withdrew his participation in the upcoming Jennifer Lopez film Shotgun Wedding, after what he called “vicious and spurious online attacks" spread against him.

In the post, Chambers said: "For weeks, I’ve been trying to process everything that has transpired. I am shocked, heartbroken, and devastated."

"Heartbreak aside," she continued, "I am listening, and will continue to listen and educate myself on these delicate matters. I didn’t realize how much I didn’t know."

Chambers said she supports "any victim of assault or abuse," and urges "anyone who has experienced this pain to seek the help she or he needs to heal."

She asked for "continued kindness, respect, and consideration for our children and me as we find ways to move forward." And said she plans to focus on her kids, her work, and "healing during this incredibly difficult time."

Hammer called the allegations—which include unverified Instagram messages—made against him "bullshit" in a statement to Variety: “I’m not responding to these bullshit claims but in light of the vicious and spurious online attacks against me, I cannot in good conscience now leave my children for 4 months to shoot a film in the Dominican Republic."

It's unclear who will replace Hammer in Shotgun Wedding. A representative for the movie told Variety that they "support him in his decision” to step away.

Hammer and Chambers divorced last summer after 10 years of marriage. They announced the split in identical Instagram posts that said remaining "co-parents and dear friends will remain our priority."

At the time, a source told Peoplethat the couple "both still love each other very much and they’ve always been such a close knit family. I know their main focus right now is their kids and making sure nothing changes for them.”