Silas Timberlake and Jessica Biel

Justin Timberlake Shares First Photo of Baby Silas

Justin Timberlake’s son is making his Instagram debut. The pop superstar has shared the first photo of his baby boy, Silas Randall Timberlake, who was born earlier this month.

Timberlake’s wife, Jessica Biel, cradles their one-week old baby in her arms in the adorable pic. Silas is decked out in a Memphis Grizzlies jersey in honor of his father’s hometown team, who took on the Portland Trail Blazers in the NBA playoffs on Sunday.

“The Timberlakes are ready!!! GO GRIZZ! #GritNGrind #Playoffs #BabyGrizzROAR,” wrote JT.

According to PEOPLE, Timberlake is “ecstatic” about becoming a father.

Silas is the middle name of Timberlake’s maternal grandfather Bill Bomas, while Randall is Timberlake’s father’s name and also the singer’s middle name.