Gwen Stefani [1] rounded out her birthday weekend with a church service in LA on Sunday. The singer, who turned 46 on Saturday, brought her sons along with her for the outing; Gwen wore a printed jumpsuit with high heels from her L.A.M.B. collection and was all smiles while leaving the service. Gwen has been stepping out looking more flawless than ever [2] after announcing her divorce from husband Gavin Rossdale [3]. The mom of three hasn't slowed down since the news broke — in fact, she's been keeping busy with multiple projects, from her work as a judge on The Voice to the launch of her new children's clothing line [4] and, most recently, the reveal of her upcoming collaboration with makeup brand Urban Decay [5]. Keep reading to see photos from Gwen's birthday weekend, then see how much she hasn't changed since the '90s [6].