Steven Bauer, 57, Steps Out With Girlfriend Lyda Loudon, 18

"We sought advice from our pastor, our family and our closest friends. We sought advice from lawyers and publicity agents," she wrote. "Ultimately, for me, it all came down to one thing. I had one job to do, one thing that mattered more than anything else: loving my daughter."

According to Gina's post, Lyda wants readers to know she and her mother are "closer than ever."

"I am thankful for a daughter who has always loved us," wrote Lyda's mom, "and we stand with her now."

A rep for Bauer, who has a 28-year-old son Alexander with ex-wife Melanie Griffith, did not immediately respond to E! News' request for comment.

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