Proud Dad!Jason Sudeikis Takes His Adorable Son Otis to a Basketball Game — See the Pics!

Jason Sudeikis and Olivia Wilde‘s son is getting so big!

Jason, 40, took his 22-month-old son, Otis, to an LA Clippers basketball game on Sunday, Jan. 31 — and we can’t get over how cute the father-son duo looked together!

jason sudeikis otis getty images

Jason and Otis on Jan. 31.

Otis — who was all smiles during the fun outing with his famous dad — sported a white jersey as he happily pointed to the scoreboard and raised his arms during the athletic event.

RELATED: Olivia Wilde Shares Cute New Photo of Son Otis Doing Her Makeup — See the Pic!

Jason and his fiancée, Olivia, 31 — who first started dating in 2011 and became engaged in January 2013 — welcomed Otis, their only child, in April 2014.

Click through the gallery below to see more of Hollywood’s cutest kids!