updated 08/25/2011 AT 9:00 AM ET
•originally published 08/24/2011 AT 5:00 PM ET
After 10 years together, Sara Gilbert and Allison Adler have ended their relationship, PEOPLE has learned exclusively.
The Talk co-host and actress, 36, and Adler, 44, will share custody of their two children, son Levi, 6½, and daughter Sawyer, 4.
Gilbert and Adler, a television producer and writer, began dating in 2001.
A rep for Gilbert confirms the breakup. “It’s completely amicable,” the rep tells PEOPLE.