Sophia’s family was also there to celebrate the achievement, including Scarlet, who shared a photo of Sophia on her Instagram Story during the graduation ceremony.
Sistine also wished Sophia the best on Instagram when she shared a photo of her, writing, “A college graduate! So proud!”
RELATED: Meet Sylvester Stallone’s Daughters: What to Know About Sophia, Sistine & Scarlet
After her graduation, Sophia began the festivities by singing along to Lizzo in the car.
“Feeling myself lol thanks @lizzobeeating,” she wrote in the video.
“We were dancing, we were screaming, we got some music playing, the dogs were barking, it was amazing. It was so much fun,” Sistine told PEOPLE in January 2017 of the news.
In 2012, Flavin, 50, told
“Like him, she has read nearly all of Shakespeare’s books,” Flavin said. “They have a very special bond, they think alike and even have the same gestures. Sophia is the love of his life.”
RELATED VIDEO: Reese Witherspoon’s Daughter Ava Phillippe Introduced to Society at Debutante Ball in Paris
Stallone isn’t the only dad who recently enjoyed seeing his child walk across a stage to accept her diploma.
His good friend Arnold Schwarzenegger celebrated his son Joseph Baena’s graduation from Pepperdine University last month, writing a sweet message that he shared on Instagram.
“Congratulations Joseph! Four years of hard work studying business at Pepperdine and today is your big day!” Schwarzenegger wrote in the caption. “You have earned all of the celebration and I’m so proud of you. I love you!”