Gwen Stefani and Blake Shelton Lock Lips While Celebrating Thanksgiving With Both Their Families

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Thanksgiving was a family affair for Gwen Stefani and Blake Shelton, as the cute couple spent their Turkey Day hanging out with each other's relatives and sharing some kisses.

Stefani took to Instagram on Thursday to share this lip-locking selfie with her country star boyfriend, which she captioned, "Happy thanksgiving! We love u sooooooo grateful !!!"

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The No Doubt frontwoman also shared a photo of herself and Shelton standing next to his mom, Dorothy, which Stefani captioned with a heart emoji.

The "Make Me Like You" singer also documented the entire Thanksgiving feast (and its preparation) in a series of pics and videos on Snapchat, which included Shelton's karaoke attempts, her father's and Shelton's cooked turkeys and the massive holiday spread.

WATCH: Gwen Stefani's Sweet Message to Blake Shelton: 'Thank You for Kissing Me Back to Life'

The cute couple was also joined by Stefani's three sons, Kingston, 10, Zuma, 8, and Apollo, 2, whom she shares with ex-husband Gavin Rossdale.

Recently, ET caught up with Rossdale who opened up about his Thanksgiving plans since, this year, Stefani had the kids for the holidays. Check out the video below to hear how the rocker spent his holiday season.

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