Gwen Stefani and Blake Shelton are getting serious!

According to a new report, the 46-year-old singer and her new boyfriend, Blake, 39 — who confirmed they are dating just last week — are planning a trip with Gwen's three sons!

“Blake wants to become a bigger part of Gwen’s life, and that obviously includes spending time with the kids," a source said, referring to The Voice star's three children, Kingston, 9, Zuma, 7, and Apollo, 20 months, with ex Gavin Rossdale.

gwen stefani kids

Gwen with her three sons.

“He already met the kids on the set of The Voice, and Blake really likes them,” the insider continued. “The commitment Gwen has to the kids is huge, and he really admires that.”

RELATED: Miranda Lambert Wants to Meet with Gavin Rossdale to Discuss Blake Shelton and Gwen Stefani's Relationship

“Blake absolutely loves kids, and is a big kid at heart," the source said. "Having a girlfriend with three kids doesn’t faze Blake at all.”

So where exactly is the foursome headed on their vacation? "Blake has told Gwen he wants to take the boys out on his tractor in Oklahoma,” the source told Radar Online.