The former \"No Doubt\" frontwoman also posted several childhood photos of Shelton in honor of his birthday.

She captioned one photo on Twitter: \"Happy birthday to my favorite person I ever met @blakeshelton gx #superbabe.\"

Happy birthday to my favorite person I ever met @blakeshelton gx ??????#superbabe pic.twitter.com/tXVinUho71

— Gwen Stefani (@gwenstefani) June 18, 2016

Stefani also took to Instagram to share another throwback photo of Shelton, with the caption: \"Happy birthday to @blakeshelton literally my favorite person gx.\"

A photo posted by Gwen Stefani (@gwenstefani) on Jun 18, 2016 at 11:24am PDT

In addition to the older photos, Stefani posted a current photo of herself blowing a kiss to the birthday boy.

@blakeshelton gx

A photo posted by Gwen Stefani (@gwenstefani) on Jun 19, 2016 at 2:12am PDT

Stefani and Shelton began dating publicly last November.

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