The longtime couple has only shared one red carpet moment together in more than a decade.
She starred in the flick with her real-life love, Ryan Gosling.
Mendes gave fans a look at her new 'do on Instagram Tuesday.
The couple went public with their romance in 2011.
Mendes shared a photo of the new ink on her wrist.
The actress is very supportive of her handsome husband's new stylish project.
Check out this full episode of ET's The Download, breaking down all the must-know entertainment news stories from Thursday, Sept. 8.
Ryan Gosling opens up on 'The Tonight Show Starring Jimmy Fallon' about his youngest daughter's big personality.
Ryan Gosling opens up to ET at 'The Gray Man' premiere, in theaters July 15 and Netflix July 22.
Ryan Gosling chats with ET about his movies, ‘Barbie’ and 'The Gray Man.' The latter is in theaters July 15 and on Netflix July 22.
Margot Robbie celebrated her 32nd birthday while on set of the upcoming 'Barbie' film.
Mendes spoke about Gosling's role as Ken in the upcoming 'Barbie' movie during an appearance on 'The Talk.'
Ryan Gosling's longtime partner discussed his 'Barbie' movie makeover on 'The Talk,' airing weekdays on CBS.
Eva Mendes joins Hoda Kotb on 'Today,' and opens up about her decision to become a mom in her 40s.
