Toni Collette announced that she and her husband of 20 years, David Galafassi, have decided to go their separate ways after photos surfaced of him kissing another woman.

A week after returning to the social media platform, the actor shared the news on her Instagram account on Wednesday, posting a picture of a sign composed of flowers that reads “PEACE & LOVE.” She wrote in the caption, “After a substantial period of separation, it is with grace and gratitude that we announce we are divorcing.” Collette continued, “We’re united in our decision and part with continuing respect and care for each other. Our kids are of paramount importance to us and we will continue to thrive as a family, albeit a different shape. We’re thankful for the space and love you grant us as we evolve and move through this transition peacefully.” The former couple concluded the post with a joint sign-off, writing, “Big thanks. Toni Collette and David Galafassi.”

Prior to sharing this message, Collette also shared a quote on her Instagram Stories that read, “No matter what your current circumstances are, if you can imagine something better for yourself, you can create it.” And on Friday, the Hereditary star shared a moody photo of a lone tree standing in a field with no caption. All of these posts also happen to coincide with the release of photos published by the Daily Mail of Galafassi kissing another woman, drummer Shannon Egan, while on the beach in Sydney, Australia. Galafassi was a drummer in an indie rock band when he first met Collette.

Collette and Galafassi married in a Buddhist ceremony in 2003, and five years later announced they were expecting their first child together. The couple share two children, 14-year-old daughter Sage Florence and 11-year-old son Arlo Robert. When announcing her first pregnancy in 2008, the actor told the Associated Press, “We're completely over the moon. It is strange, the last three films I've done I have been pregnant. I'm just like, what is the universe trying to tell me? But I think everything happens when it's meant to.”