Benji Madden is in proud husband mode. In a sweet Instagram post Friday (Jan. 17), the Good Charlotte guitarist praised Cameron Diaz on her return to acting in new film Back in Action, as well as marked their 10-year wedding anniversary.

Cameron Diaz’s husband Benji Madden celebrated a major milestone for the duo after the actress made her first film appearance in over 10 years with Back in Action.

Cameron Diaz prioritized motherhood during her 10-year hiatus from acting. The 'Back In Action' actress said she was "perfectly happy" living her life, but couldn't say no to Jamie Foxx.

The Good Charlotte guitarist and the actress have famously kept their relationship private since they began dating in 2014 and married less than a year later.

Cameron Diaz and Benji Madden have been vocal about their family's privacy, making Madden's post all the more exciting for fans.

Benji Madden celebrated his 10th wedding anniversary with his wife, actress Cameron Diaz, with a sweet post on Instagram.

Benji Madden marked a special milestone with wife Cameron Diaz, celebrating their 10-year wedding anniversary while applauding her return to acting in Back in Action.

Benji Madden has plenty of reasons to celebrate his wife, Cameron Diaz, including the couple’s 10th wedding anniversary and her return to acting. “This is my QUEEN. I celebrate this BAD ASS WOMAN. Wife,

Cameron Diaz is back in action on the big screen — and her husband, Benji Madden, is her No. 1 fan. “This is my QUEEN I celebrate this BADASS WOMAN. Wife, mommy, friend, partner, boss and lover,” Madden,

Diaz stepped away from acting in 2014 but recently returned to star in "Back In Action" with Jamie Foxx.

Benji Madden celebrated Cameron Diaz's return to acting and marked their 10-year wedding anniversary. See what he wrote.