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Sean's daughter, Dylan Penn, also put her new romance on display when she spent the evening with Steven McQueen at her father's event Saturday night, even posing for a few photos with her new man.
According to People, Dylan and the Vampire Diaries star are a new item.
And they both come from famous families.
Not only is Dylan the daughter of Sean and Robyn Wright, but the 25-year-old actor is the grandson of the late Steve McQueen, the iconic thesp who was known as the "King of Cool."