Reese Witherspoon Gets Son Tennessee a Ninja Turtles Cake!

Reese Witherspoon and her family sit around the table while celebrating her son Tennessee‘s fourth birthday on Monday (September 26) in Los Angeles!

The 40-year-old actress was joined by husband Jim Toth and her two older children, Ava and Deacon.

“his smile says it all! 😊” the proud mom wrote along with an Instagram pic she posted (below) of Tennessee holding a balloon. “Had such a special day- celebrating this sweet little one’s (soon-to-be) birthday!!! ❤️🎉🎈We love you so much Tennessee!!! #TimeFlies #SundayFunday.”

She even shared a photo of Tennessee‘s Ninja Turtles-themed cake, captioning it, “Celebrating someone VERY special’s birthday today!!! 🎂🎉✨ (Two hints: he is a #NinjaTurtles fan and this is his cake … 😉) #TMNT.”

Also pictured inside: Reese running errands around Beverly Hills that day and going to the gym on Sunday.