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Benji Madden, Cameron Diaz

Instagram

A man who not only supports but praises his lady for her ambition, drive and success? That's some #relationshipgoals for you.

Benji Madden took to Instagram today to gush about his love Cameron Diaz following the reveal of her book cover, which was released yesterday.

Re-posting the image of her new book, The Longevity Book, Madden wrote, "I Couldn't be more proud of my Bad Ass wife. She wakes up everyday on a mission to try and make the world a better place. I'm always amazed by the courage, strength and vulnerability she shows, relentlessly encouraging other women to love themselves. It has been amazing to get to watch her journey with her New book! #theLongevityBook #April5th @thebodybook @camerondiaz #lovemywife."

Are you swooning or what?!

Diaz revealed the au naturel cover yesterday via Instagram and Twitter.

"I am so excited I can barely contain myself!!" Diaz captioned the pic of the cover, which is a close-up, nearly makeup-free face. "I am so proud of this book and very much looking forward to engaging us all in a new conversation about aging–how to do it with strength, grace, health and wisdom."

Longevity is the follow-up to The Body Book, in which Diaz also discussed wellness, beauty, diets and aging and got memorably candid about everything from periods to pee. Additionally, her latest work also promises to discuss "the science of aging, the biology of strength, and the privilege of time."

Diaz's newest book hits shelves April 5.