Gwen Stefani and Blake Shelton Heat Up the Summer With Sweet Selfie

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Blake Shelton's the guy with the girl... and her adorable son!

The country crooner's girlfriend, Gwen Stefani, took to Instagram on Friday, sharing a sweet selfie of the two enjoying their summer. And while most of the couple's pictures usually feature just the two of them, the "Misery" singer's youngest son, 3-year-old Apollo, made an appearance.

WATCH: Gwen Stefani Snapchats Son Apollo's Adorable 3rd Birthday Celebration at School

Stefani was full-on glam in the pic, rocking a patterned shirt, beaded necklace with tassels and matching statement earrings, while her beau wore a blue-and-yellow Hawaiian shirt and baseball cap. Apollo opted for zero clothing, but brought along a toy which counts as an accessory in our book.

"#summer2017 ❤️," Stefani captioned the photo. "love you guys gx."

WATCH: Gwen Stefani Shares Sweet Pics of Her 'Summer Love' Blake Shelton

Stefani, 47 and Shelton, 41, have been having the time of their lives this summer, according to their social media posts. Last month, the lovebirds spent the day enjoying each others company and soaking up the sun on a boat.

Hear more (and see the pics!) in the video below.

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