Here is a bit to the story of the ‘sham’ marriage. It is in Spanish and reported today. In summary, Angelica Rivera’s marriage by church with her first husband was never dissolved.
https://www.google.com/amp/s/peopleenespanol.com/celebridades/angelica-rivera-y-el-guero-castro-aun-estan-casados/%3famp=true
Also added is an old report about it to arrange their marriage.
https://www.google.com/amp/s/amp.theguardian.com/world/2016/feb/07/mexico-catholic-church-enrique-pena-nieto-angelica-rivera-marriage-annulment-rules