One day after Jessica Simpson announced her split from Eric Johnson, a source shared more insight into the couple's separation with PEOPLE.

The “With You” singer announced her separation from the former NFL player on Monday, confirming reports that they have been living separately.

Co-parenting is off to a good start for Jessica Simpson and Eric Johnson, who recently announced their divorce after 10 years of marriage. Insiders share that the exes have already made this big first step in their co-parenting journey with kids Maxwell “Maxi” Drew, 12, Ace Knute, 11, and Birdie Mae, 5 — and it reveals where their priorities lie.