He shared a photo of his son along with a long note for the singer.
"Paulina: You have no shame to sue Colate, with all those details that you said and made up, when you have almost five months without giving me information about Eros? No pictures, no phone calls, no visits, nothing absolutely nothing," he captioned the post on Wednesday, April 24. "On top of that, you leave the baby with whomever you want. Aside from that you don't allow my son to spend time with his brothers, cousins, uncles and grandparents here in Mexico and logically you do that so that the baby is away from his roots and doesn't know where he comes from or who his paternal family is."
Gerardo did not hold back about what he thinks of the singer as a mother.
In his post on Wednesday, he continued his long message to the pop star asking her to stop pretending to be someone she isn't, especially when it comes to her kids.
"I still don't understand why you deny the baby the love of his family? I think you prefer that he grows up closed off like you usually do. So what game are you playing? Are you not a woman of peace? What role of a superstar or celebrity are you portraying?" he wrote to Paulina. "You have a long way to go to be like various moms I know. Look around, people are a lot more humble these days. Do you not love your kids so that they can grow up with love?" he said, adding that she portrays to the media that everything she does is for the well-being of her kids.
"It doesn't suit you to play the role of a victim and of a good woman or super mom, when you know well that you are not. What happens is that no one knows you well enough; invite them to live with you."
He has been sharing so many videos and pics saying how much he misses his son.
Gerardo shared a clip in early March of himself with his adorable son that is heart-melting. He captioned it, "I love you and I miss you."
Gerardo's rant comes following reports that Paulina was suing the father of her first child.
There were reports that she had filed a legal complaint against Nicolás Vallejo-Nagera, known as Colate, who is the father of her first son, Andrea. The report claims that the singer is saying that her ex is not telling her the whereabouts of her 7-year-old child. No records of a custody dispute between the exes were found in Miami court records, according to the Miami Herald.
It's a shame that Paulina and Gerardo haven't been able to peacefully co-parent their son. We wish them the best and hope that the singer is able to see his child soon.