VIDEO : Jessica Simpson Shows Off Son's Moana Themed Birthday Party On Instagram

Jessica Simpson and Eric Johnson threw their son a "Moana" themed birthday party. Their son Ace turned 4 years old. The singer and fashion designer posted a photo of the party on Instagram, showing off how everyone was dressed up to the theme. She also posted a couple of more photos of her son on Instagram saying thank you to certain people and showing how happy her child was next to a huge cake and a bundle of balloons.