Jessica Simpson and Eric Johnson Have 'Figured Out a New Schedule' for Their 3 Young Kids amid Split (Exclusive Source)

Jessica Simpson and Eric Johnson are prioritizing their kids amid the recent news of their separation.

A source tells PEOPLE exclusively that since Simpson and Johnson have been "separated for a while," they have been focused on finding a new routine for their three kids — daughters Maxwell "Maxi" Drew, 12, and Birdie Mae, 5, and son Ace Knute, 11.

"They have already figured out a new schedule for the kids," the source says, adding that Johnson and Simpson are "both great parents."

"The kids will always come first. They are co-parenting," they continue. "Jess is doing okay. She's grateful for her kids."

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Related: Jessica Simpson Poses Back-to-Back with Much-Taller Son Ace, 11

Earlier this week, Simpson told PEOPLE exclusively that she and her husband are separating after 10 years of marriage.

"Eric and I have been living separately navigating a painful situation in our marriage," Simpson said in a statement to PEOPLE. "Our children come first, and we are focusing on what is best for them. We are grateful for all of the love and support that has been coming our way, and appreciate privacy right now as we work through this as a family."

In June, Simpson shared an adorable photo on Instagram of her daughter Birdie as she modeled her mom's shoe line. Sitting on a green couch, Birdie looked like the spitting image of her mom as she wore her hair in loose curls, posing with one leg up to show off her gold sandals.

Birdie gave a big smile as her mom snapped her photo, placing a hand on the couch next to her. "Cutest girl in the cutest @jessicasimpsonstyle," Simpson proudly captioned the picture.

In April, Simpson shared some belated photos from her Easter celebrations with her family of five. The three siblings posed together in a number of pictures from the day shared on Instagram, looking all grown up as they enjoyed time together during the holiday.

The family opted for a cool, casual way of celebrating this year as they hunted for Easter eggs and opened the prizes inside of them. They also spent time with their extended family, making memories together.

"Belated 🐰🐰," Simpson captioned the shots.

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