United Kingdom, June 16 -- Justin Timberlake feels "beyond blessed" to be a dad.

The 44-year-old singer - who has sons Silas, ten, and Phineas, four, with actress Jessica Biel - took to social media on Father's Day (15.06.25) to reflect on his experience of parenthood.

Alongside some family photographs, Justin - who has been married to Jessica since 2012 - wrote on Instagram: "There's no bigger reward or responsibility that I have ever felt in my life above being a father. To teach and to learn at the same time. I feel beyond blessed.

"I see my two dads, my grandfathers, my uncles more and more clearly every year that I get to experience this life with them. And I see myself more and more clearly in every moment I have with my sons, wa...