Celebrity Gwen Stefani Is a Brunette in This Cute Throwback Photo of Her and Her Brother By Jennifer Davis Jennifer Davis Twitter Jennifer Davis is a writer, editor, and content strategist living in Atlanta. She was previously the Associate Editor for InStyle, and is currently working as a Digital Content Manager at Cox Business. InStyle's editorial guidelines Updated on March 2, 2016 @ 11:15AM Pin Share Tweet Email Photo: Steve Mack/Getty Images Gwen Stefani threw it way back today for her younger brother Tod's birthday. The pop star took to Instagram to share a snap of the two of them as kids, and not only is it adorable, but Stefani has brown hair! If that's not a true sign of a throwback photo, we don't know what is. In the 'gram, a very young Stefani looks too cute in a cream turtleneck as she smiles big for the camera with her newborn brother cradled in her arms. "Happy b day @toddboy01 #bro #homie," she captioned the cute family photo along with several heart emojis (below). Gwen Stefani and Blake Shelton Make Red Carpet Debut at Oscars After-Party Besides her brother's birthday, Stefani has had a lot to celebrate lately—namely her relationship with fellow The Voice coach, Blake Shelton.