“What a game!! So much fun cheering on the #LAClippers last night #ClippersNation,” the Wild actress, 41, captioned the image with her son.
The mother-son duo sat courtside while the Los Angeles Clippers beat the Sacramento Kings 115-95 at the Staples Center on Wednesday (April 12).
Last week, the proud mama posted a photo of 4-year-old son Tennessee with his “best friend” — the family pooch.
Earlier this month, the Legally Blonde star shared a family selfie with all three of her kids – including 17-year-old daughter Ava – during their recent beach holiday.
Witherspoon and her family were joined costar Laura Dern and her family on an island retreat to celebrate the finale of their hit HBO series, Big Little Lies.