Exes Jessica Simpson and Eric Johnson reunite for son Ace’s 6th grade graduation

Jessica Simpson and Eric Johnson put their amicable co-parenting on display at son Ace’s 6th grade graduation Wednesday.

The former couple attended the 12-year-old’s ceremony in Los Angeles alongside daughters Maxwell, 14, and Birdie, 7, in photos obtained by Page Six.

Simpson, 45, matched her red dress to her...