Will Smith recently celebrated his son Jaden Smiths 25th birthday with a clear hint about his hope to one day have grandchildren.

The Oscar winner posted a black-and-white photo of him embracing his son on Instagram Saturday, writing that it was his favorite picture of them together.

Happy Birthday, J-Diggy. Its crazy that youre 25?!?! he wrote in the posts caption. When I was 25 I had a 2 yr. old Im just sayin Whas up? What you doin over there?

Will was referencing his now-30-year-old son Trey Smith, whom he shares with his ex-wife, skin care entrepreneur Sheree Zampino. The actor shares Jaden and Willow Smith, 22, with his wife, actor Jada Pinkett Smith.