Reese Witherspoon raved about her son, Deacon Phillippe on his 19th birthday.

The proud mama posted adorable pictures of the singer on her Instagram account.

The photos included a recent picture followed by a throwback picture of an adorable Deacon

The recent image was a close-up photo of Deacon donning a black t-shirt with a big grin on his face.

Witherspoon wrote a captivating caption and described her as the “Guy who possesses the most joyful energy.”

She also gushed about how proud she was of him

Witherspoon and her ex-husband, Ryan Phillippe, celebrated their son’s 18th birthday last year together.

The 48-year-old, in celebrating Deacon on Instagram, declared that he and Witherspoon were lucky to have him as a son.

Deacon recently made his acting debut and is set to appear in the season 3 of “Never Have I Ever.”