"While the two of us have come to the mutual decision that we will no longer be partners in marriage, we remain partners in parenthood and are committed to jointly raising our three sons in a happy and healthy environment," the pair told Us in a joint Monday statement. "To that end, we respectfully request privacy from the media during this time."
According to a representative for the Los Angeles Superior Court, Stefani filed the divorce paperwork on Monday. The No Doubt lead singer and Rossdale, the frontman for Bush, both reportedly cited irreconcilable differences as the reason for their shocking split.
Stefani and Rossdale want a joint-custody arrangement for their kids Kingston, 9, Zuma, 6, and Apollo, 17 months, Us reported.
Stefani is being represented by divorce attorney Scott Weston, while Rossdale has allegedly hired Laura Wasser. Wasser has taken on divorce cases for high-profile celebrities such as Heidi Klum, Ashton Kutcher and Kim Kardashian.
Stefani, 45, hinted her marriage was in trouble back in March when she conducted an interview with Cosmopolitan magazine.
"We go through so much together -- it's a miracle that we could stay together this long," Stefani reportedly said of Rossdale, 49.
"[Gavin's] on a short tour right now, and he wrote me the sweetest note this morning. It's good to have those days when we both do our own things. I think that's what keeps relationships going... It's hard to find time for yourself... I do think he's quite handsome... and he makes really cute babies!"