Selma Blair Shares Impressive Photo of Son, 13, Flying on His Dirt Bike as She Says She 'Loves to See Him Soar': 'So Proud'

The actress shares son Arthur Saint with ex Jason Bleick, whom she dated from 2010 to 2012

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Selma Blair loves to watch her son find his passions.

On Sunday, Nov. 10, the actress, 52, shared snaps of her son Arthur Saint, 13, riding an electric dirt bike down a steep slope. Sharing a photo of Arthur riding the bike mid-air, Blair raved about how she is proud of her son and of her and her ex Jason Bleick for how they are raising their child.

“I’m proud of my son. I’m proud of the family his dad and I are, both wanting our son to find the things that motivate him. And this is one. I love to see him soar. Love always, mom,” Blair’s caption read.

In the photo, Arthur sported a large black helmet as he held onto the bike’s handles. Tagging Bleick, whom she dated from 2010 to 2012, in the snap, Blair also tagged Sur-Ron E Bikes.

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Sharing a video of Arthur riding the bike on her Instagram Stories, Blair wrote, “Thanks dad. @jasonbleick.”

The Legally Blonde star’s public appreciation for Bleick comes after she told PEOPLE about the former couple’s "flexible" co-parenting arrangement.

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"Jason is a huge part of Arthur's life. He's shown up in a big way," she said. "I'm really proud of us."

Blair also told PEOPLE in September that despite being 13, her son acts more like a 17-year-old.

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The "teenage years have happened,” the proud mom said.

She jokingly added, "I'm a grandma, I have an announcement."

"No, he's 13 and you would think he's 17," Blair said. "And he is the child that I will have to learn to keep a closer eye on. Because I love him very much."

Meanwhile, in September, the mother and son attended the Chloé runway show during Paris Fashion Week in September.

Sitting front row, the duo sported matching bleached blonde hair as they sat side by side.