Ryan Gosling Wears T-Shirt with Eva Mendes’ Book Title During UK Press Tour

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The 'Barbie' alum shared the sweet yet subtle tribute to his longtime partner

<p>youtube</p> Ryan Gosling, Emily Blunt

youtube

Ryan Gosling, Emily Blunt

Ryan Gosling is supporting Eva Mendes in the cutest way possible!

As the Barbie star, 43, is currently promoting his next film The Fall Guy overseas with Emily Blunt, he’s keeping his partner, 50, near and dear to his heart.

On Monday, April 29, Hits Radio shared a video interview of the costars to the station’s YouTube account.

In the clip, Gosling is seen wearing a T-shirt that reads, "Desi, Mami, and the Never-Ending Worries” — which happens to be the title of Mendes’ debut children’s book, out later this fall.

"Desi, Mami and the Never-Ending Worries is a love letter to my kids and yours,” the Hitch actress told PEOPLE exclusively in February.

<p>Courtesy of Feiwel and Friends, an imprint of Macmillan Children's Publishing Group</p> Eva Mendes' book cover

Courtesy of Feiwel and Friends, an imprint of Macmillan Children's Publishing Group

Eva Mendes' book cover

Gosling and Mendes, who have been together since 2011, are parents to two daughters: Esmeralda, 9, and Amada, 8.

“Learning how to train our brain to work for us and not against us is easier said than done! At my home and in Desi's, we try to deal with the never-ending worries and anxieties that we all have, so those negative thoughts don’t take over and dominate,” she continued.

The book hits shelves on Sept. 17 and will be available in both English and Spanish.

<p>Dave Allocca/Starpix/Shutterstock</p> Eva Mendes and Ryan Gosling at 'The Place Beyond the Pines' film premiere on March 28, 2013 in New York City.

Dave Allocca/Starpix/Shutterstock

Eva Mendes and Ryan Gosling at 'The Place Beyond the Pines' film premiere on March 28, 2013 in New York City.

Mendes has previously explained why although she and Gosling have been together for more than a decade, they do not do red carpets together and are rarely seen side by side at other Hollywood events.

Last April, she shared a clip on Instagram of a scene from 2012's The Place Beyond the Pines — a film in which she and Gosling costarred.

Related: Ryan Gosling Made Eva Mendes's 50th Birthday 'Very Special': He 'Constantly Tells Her She's Beautiful' (Exclusive Source)

In her caption, she noted that the crime thriller was not their first time meeting.

While responding to commenters, Mendes said she’s "only comfortable posting" images with Gosling that are already publicly available.

Sonia Recchia/Getty Images Eva Mendes and Ryan Gosling
Sonia Recchia/Getty Images Eva Mendes and Ryan Gosling

One user made mention of how they would love to see the pair at Barbie events, to which the actress responded, "What a cool comment, thank you. But we don't do those things together."

In early March, a source shared with PEOPLE their take on the couple’s longevity.

Related: Eva Mendes Refers to Ryan Gosling as Her 'Husband' During TV Interview

“It truly seems they are surviving Hollywood as a couple, because of the way they‘ve handled being famous. They try their best to stay out of the spotlight," the insider said.

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"For them, the most important job is their girls. Everything else comes second," the source continued.

As far as major events, such as this year’s Academy Awards, which Mendes was not present for, the insider added: "Of course, Eva is proud and excited for Ryan. She still sees it as a job though."

The Fall Guy arrives in theaters on Friday, May 3.

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