Gwen Stefani Shares Birthday Message for Blake Shelton

06/18/2016 04:34 pm EDT

Blake Shelton turned 40 Saturday, and among the many people sending the country star good wishes on his special day was none other than Gwen Stefani, who shared some sweet messages on Twitter and Instagram to celebrate her boyfriend's milestone birthday.

"Happy birthday to my favorite person I ever met @blakeshelton gx #superbabe," Stefani wrote on Twitter alongside an adorable childhood photo of Shelton.

She also shared a similar sentiment on Instagram with a different throwback photo of her boyfriend of seven months, writing "Happy birthday to@blakeshelton literally my favorite person gx."

Shelton responded to Stefani's good wishes on Twitter, writing ""Now THIS is how you start your 40's!!!!!!!! Thank you @gwenstefani for everything...," which Stefani replied to with some emojis.

We're thinking this is going to be a great year for Shelton!

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