Reese Witherspoon posted a beautiful new throwback Thursday photo of her youngest son, Tennessee, making her laugh on the beach -- see it here! Credit: Courtesy Reese Witherspoon/Instagram

Her sunshine! Reese Witherspoon posted an adorable photo with her youngest child, Tennessee, for throwback Thursday, Aug. 6. The star's #TBT, however, was from a very recent getaway to the Bahamas.

"#TBT to long walks on the beach with this little comedian," Witherspoon, 39, wrote on Instagram alongside a pic with her goofy, 2-year-old son on a glittering beach. In the sweet snap, the Oscar winner kneels down barefoot and holds Tennessee's hands as he makes a funny face. "#Vacation #TakeMeBack."

The mother-son duo clearly had a blast in the Bahamas last month with husband Jim Toth. Witherspoon previously posted a gorgeous, colorful pic from their family vacation, featuring her playful youngest. "Sweet lil walks with this sweet lil guy," she captioned the shot.

Sweet lil walks with this sweet lil guy ?? #Vacationmood @draperjamesgirl.

A photo posted by Reese Witherspoon (@reesewitherspoon) on Jul 20, 2015 at 8:46am PDT

Missing from the vacation was Tennessee's big brother Deacon, who recently returned from camp. The proud mom welcomed her second eldest home on Monday, Aug. 3, by posting a photo of both Tennessee and Deacon locked in a sweet embrace.

“Someone is really excited his brother is home from camp!" she captioned the pic. "Welcome home, Deacon! #brotherlove."

The actress shares Ava, 15, and Deacon, 11, with her ex-husband, Ryan Phillippe. Following her 2007 divorce from the Cruel Intentions hunk, Witherspoon wed Toth in March 2011. In an interview with the Today show this past January, the Wild star revealed some insight about her family dynamics. 

"It's kind of like having this big extended family," she said of the brood. "We always talk about in our house, the more people that love you, the better your life is."

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