Proud father Paul Bettany shares rare family photo from son's graduation

HOLLYWOOD, CA - APRIL 23:  Actor Paul Bettany attends the premiere of Disney and Marvel's 'Avengers: Infinity War' on April 23, 2018 in Hollywood, California.  (Photo by Axelle/Bauer-Griffin/FilmMagic)
Paul Bettany admitted he cried at his son's high school graduation. (Getty Images)

Paul Bettany has confessed he "cried like a baby" as he proudly watched his son graduate high school.

The WandaVision star - who has two children and a stepson with Labyrinth star Jennifer Connelly - shared a rare glimpse of his family as he celebrated 17-year-old Stellan's graduation.

Bettany posted a picture of himself and his son on Instagram captioned: "So that happened. The short version is that Stellan graduated and I cried like a baby."

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The 50-year-old actor also posted a snap of himself holding Stellan as a baby on the set of his 2004 rom com Wimbledon.

Read more: Paul Bettany thought he was being fired by Marvel

He wrote: "Here's me holding Stellan at about a week old... Today my beautiful kid graduates high school! Time… My head is spinning. Very proud of everything Stellan has accomplished so far and even more excited about what the future holds."

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He also shared a photo with 23-year-old stepson Kai joking: "My eldest son kai waits patiently while I try to figure out the timer on my camera… aaaand gets bored before I figure it out … then leaves me solo."

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Bettany and Connelly, 50, met when they starred together in 2001 Oscar-winning film A Beautiful Mind.

They married in 2003 and also have a 10-year-old daughter.

British actor Paul Bettany (R) and his wife US actress Jennifer Connelly pose as they arrive on May 15, 2018 for the screening of the film
Paul Bettany and wife Jennifer Connelly's 17-year-old son Stellan has graduated high school. (Getty Images)

The London-born actor is best known for voicing J.A.R.V.I.S. in the Marvel movies and starring opposite Elizabeth Olsen in Marvel TV series WandaVision.

Read more: Here's why Paul Bettany turned down role in The Crown

Bettany made headlines last year when text messages sent to him by his friend, actor Johnny Depp, were read out in court during the Pirates Of The Caribbean star's libel case against News Group Newspapers.

Watch: Paul Bettany talks WandaVision