United Kingdom, June 15 -- Sir David Beckham has hailed fatherhood as the "most important job" in his life.

The 50-year-old former footballer was Brooklyn, 26, Romeo, 22, Cruz, 20, and 13-year-old Harper Seven with his wife Lady Victoria Beckham, and took to social media on Father's Day (15.06.25) to vow that he will "always be [there]" for all of his children.

He wrote on Instagram: "My most important and favourite job in life is being a dad... I'm so proud of all of you and like daddy ( sorry boys ) tells you every single day I will always be here for you no matter what... Mummy thank you for doing the most important part and making me a father there is no greater gift in life than making me a dad... Happy Father's Day... I love you k...