The 43-year-old actress says she and Sheen still have 'love and humor and respect and care' for each other.
Kate Beckinsale is grateful for her unconventional family.
The 43-year-old actress took to Instagram on Saturday to celebrate her daughter Lily's high school graduation alongside a sweet note thanking her ex, Michael Sheen, for his "loyalty and friendship."
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"We may not be a conventional family but we have love and humour and respect and care and I am proud to have walked this far with both of you and to have @lily_beckinsale walk us into the future," Beckinsale captioned a black-and-white video of herself and Sheen walking alongside their graduate.
"God bless love, and good hearts, and loyalty and friendship, and may we all have more and more of it and make more and more of it in the world ❤️," she added.
Beckinsale also shared a cute pic of Lily, 18, in her cap and gown as she graduated from Harvard-Westlake in Studio City, California.
"PHRESH out of high school @lily_beckinsale," she wrote alongside the snap. "I am so proud of you I have nearly forgiven you for saying other parents don't bring air horns to the ceremony that was a LIE ❤️❤️❤️❤️❤️go git it my brilliant gorgeous girl."
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Lily will be headed to New York University in the fall, but her parents would be proud of her no matter what college she attended.
See Beckinsale and Sheen's hilarious reaction to their daughter's college acceptance letters in the video below.