Bret Michaels celebrates daughter's high school graduation: 'I'm so proud of you'

Bret Michaels also called his daughter "an unbroken loving spirit."

Bret Michaels is one proud dad.

In an Instagram post on Thursday, the Poison frontman celebrated his 18-year-old daughter Jorja's latest milestone as she graduated from high school.

Alongside a photo of Jorja wearing a cap and a gown, Michaels penned a sweet note in the caption.

"Jorja, I'm so proud of you on your graduation👩‍🎓," he wrote. "You rocked with an Unbroken loving spirit 👏 I know you're excited for the next part of this incredible journey. Rock on!!! 🤘 Love Mom, Raine, and Dad & dogs!"

Michaels shares Jorja and his older daughter Raine Michaels, 22, with longtime partner Kristi Gibson.

Earlier this week, the singer shared a photo on Instagram of himself and Jorja to mark her last day of school.

"A big congratulations to my youngest daughter @jorjamichaels on it being her last day of school👩‍🎓at the beginning of the Parti-Gras super @the80scruise 🚢🎊🤘," he captioned the post.

Responding in the comment section, Jorja wrote, "Time for a new chapter 💫🥰."

In honor of Women's International Day on Wednesday, Michaels also paid tribute to his daughters and Gibson on Instagram, posting a throwback photo and current pictures of the women in his life.

"As the parents of two incredible daughters, Kristi & I cannot be more grateful for all of the strong, brave, resilient & incredible #women that have helped shape not just our past, but our present & our future and opened up such incredible opportunities for them, giving them such courage & strength to rock on🤘 #internationalwomensday," he wrote in the caption.