Cameron Diaz has introduced the start of her first son, Cardinal Madden, on the age of 51.

The Hollywood actress, who married Good Charlotte guitarist Benji Madden, 45, in 2015, revealed the news of their second youngster in a joint Instagram put up.

"We are blessed and excited to announce the birth of our son, Cardinal Madden," they wrote.

"He is awesome and we are all so happy he is here! For the kid's safety and privacy we won't be posting any pictures - but he's really cute.

"We are feeling so blessed and grateful. Sending a lot love from our fam to yours. Best needs and good afternoon!!"

The couple, who married in an intimate ceremony at their residence in Los Angeles after relationship for eight months, welcomed a daughter, Raddix, in December 2019.

There's Something About Mary actress Diaz met Madden by his brother, the Good Charlotte frontman Joel Madden, and his spouse Nicole Richie.

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Joel Madden was among the many well-known faces who congratulated the couple - together with Fall Out Boy bassist Pete Wentz and singers Lionel Richie and Katy Perry, who wrote on social media: "Another earth angel."

Diaz, who starred in movies together with Charlie's Angels and The Holiday, took a break from performing following the musical Annie, launched in 2014.

She is about to look within the upcoming Netflix comedy Back In Action with Jamie Foxx, in addition to Apple TV+'s Outcome with Keanu Reeves.