Reese Witherspoon's kids are getting so big!

Earlier this week, the 39-year-old actress took to Instagram to share a sweet new photo of her two sons Deacon, 11, and Tennessee, 3 — and we can't get over how adorable they look!

"These two… #BrotherlyLove," Reese captioned the pic of the dapper duo dressed to the nines in coordinating bow ties.

RELATED: Reese Witherspoon Welcomes a New Addition Into Her Family — an Adorable Puppy!

The Legally Blonde star welcomed Deacon — whose dad is Reese's ex-husband Ryan Phillippe — in October 2003 and Tennessee in September 2012 with husband Jim Toth. She is also a mom to a 16-year-old daughter, Ava, from her first marriage to Ryan.

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

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