Gwen Stefani is celebrating ... "my first born baby boy :) cannot believe u are 18 today… i love u! 🥰," she added. Stefani, whose band No Doubt recently reunited at Coachella, shares Kingston ...

Gwen Stefani and Gavin Rossdale's oldest son ... I love you so much happy anniversary baby." Despite Gavin and Gwen's divorce in 2016 after over a decade of marriage, it looks like his son's ...