Gerber had previously spoken of his close relationship with his family, including Kaia, who he appeared alongside in a campaign for Calvin Klein in 2018, and whose name he had tattooed on his arm.
He told People Magazine that year: “We’re a close family, especially me and my sister, so it’s definitely cool.
“We get to travel together half of the time, so it makes it a lot less lonely.”
Gerber also starred alongside his mother in Pepsi’s 2018 Super Bowl commercial, 26 years after Crawford first appeared in her famous 1992 advertisement for the brand.
“We’re a really tight family, so it was just like going to work with one of your friends. It was so fun, and easy,” he told People Magazine at the time.
In July, Crawford shared two childhood photographs of her son on Instagram to mark his 27th birthday.
“I’m so proud of the man you’ve become, but I’ll always see you as my little boy! Love you,” she wrote.
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