Jessica Simpson celebrated a very happy American Mother’s Day with her three adorable children on Sunday, and her photos caused quite the stir. The fashion mogul, 40, was front and center in a selection of snapshots shared by her husband, Eric Johnson, on Instagram with several of them taken in their gorgeous swimming pool at their home. MORE: Jessica Simpson's daughter almost towers over her in celebratory photo Jessica wowed in a black swimsuit as she splashed around with her children, Birdie,