Jaden Smith isn’t a teenager anymore!

In honor of his son’s 20th birthday, on Sunday, proud dad Will Smith shared a sweet throwback photo of Jaden smiling from ear to ear while wearing a Spiderman costume.

“Happy Bday, Jaden. 20 Years Old ~ WHOA!” the 49-year-old actor wrote alongside the snap, before playfully addressing his son’s history of dressing up in superhero costumes — even as a young adult.

“And Wait… I don’t know what the big deal was when you wore a White Batman Suit to Prom? You have ALWAYS worn superhero suits on your dates!” he continued.

When Jaden was 16, he infamously wore a Batman suit to Kim Kardashian West and Kanye West’s wedding — and he went on to recycle a similar look one year later while attending his high school prom.

Jaden went on to tell GQ that he been dressing up like his favorite superheroes since he was a child, and had a very good reason for revisiting the look when he got older.

“I wore the Batman suit to heighten my experience at the wedding and prom which was fun, but also at the wedding I felt as…