Justin Timberlake gave the world insight on his life as a dad in a sweet post that featured new photos of his and Jessica Biel’s sons Silas, 10, Phineas, 4.

To teach and to learn at the same time… I feel beyond blessed," Timberlake wrote in a caption alongside a carousel of pictures with him and his sons."I see my two dads, my grandfathers, my uncles more and more clearly every year that I get to experience this life with them,

From first-time dads like Justin Bieber to pros like Justin Timberlake, see how the stars are celebrating Father’s Day on June 15.