Eva Mendes, who celebrated her milestone 50th birthday in March, seemed to embrace the occasion with remarkable ease and her partner, Ryan Gosling, has been a constant source of support and admiration, consistently reminding her of her beauty and worth.

While conversing with the PEOPLE, the exclusive source shared, "She seemed very comfortable turning 50. Ryan constantly tells her she’s beautiful. He made her birthday very special.”

The insider added, "Eva and Ryan are truly such a happy couple. They’re very supportive of each other’s passions. They’re also grateful for the financial freedom their work gives them, and they’re all about family time."

They also said that the Barbie star and the Ghost Rider star “are great at balancing everything.”

It is worth noting her that after they first met at the filming of 2012's The Place Beyond the Pines, their romance took off.

The couple shared two daughters, Esmeralda Amada, 9½, and Amada Lee, 8.

Mendes also received a tribute from Gosling at the Santa Barbara International Film Festival in January, he said in a speech, "Most importantly, I got to meet the girl of my dreams, Eva Mendes, and have two dream children. ... I dreamed of one day making movies, and now, movies have made my life a dream."