Jessica Simpson shared some incredibly sad news on Friday and ignited an outpouring of love from her loyal fans.The mum-of-three opened up on Instagram to reveal her family suffered a heartbreaking loss after her husband, Eric Johnson's best friend, and her son’s godfather passed away.Jessica, 40, paid tribute to Peter Mazza with a heartfelt post and also shared Eric's soul-crushing words.MORE: Jessica Simpson shares adorable back-to-school photo of her children and they look just like