Julia Roberts’ 20-year-old son, Phinnaeus Moder, is putting his skateboarding skills to the test, and his dad caught it all on video. Danny Moder, Roberts’ husband and a renowned cinematographer, shared a rare clip of their son on Instagram Monday,

Julia Roberts' son Phinnaeus, 20, shows off his skateboarding skills in a rare video shared to the actress' husband's Instagram page. Roberts and husband Danny Moder share son Henry, 18, and twins Hazel and Phinnaeus,

Julia Roberts ' son has the makings of a skateboarder. Phinnaeus Moder, the son of Julia and Danny Moder, was recently captured skateboarding and showing off his skills while confidently cruising without a helmet or his shirt on. The clip was shared on Danny's Instagram account, where he at times shares updates of his family.