Gwen Stefani and Blake Shelton are moving full speed ahead when it comes to having a baby together!

Life & Style has exclusively learned that the couple of one year is already talking about adoption.

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"They will absolutely pursue adoption,” the insider says. “It might be a baby, or it might be a toddler. But no matter what, they want to have a little girl in their arms by the end of 2017."

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And Blake has definitely been getting a lot of practice in. The "Sangria" singer was spotted at Disneyland with the No Doubt rocker and her three sons, Kingston, 10, Zuma, 8, and two-year-old Apollo, earlier this month.

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"Gwen loves that Blake is such a family man,” adds another source. “Seeing him with her kids just makes her fall in love with him even more!”

For more exclusive celebrity news, pick up the latest issue of Life & Style, on newsstands now! And check out Blake and Gwen's cutest moments in the gallery below.