Recently photographed out and about with real estate agent Jason Clark, a source tells PEOPLE, "She is dating a few people and is happy."
Garth, 40 – who divorced Peter Facinelli in March – is also still seeing photographer Noah Abrams.
"She is focusing on herself, work and the kids," the Garth insider says. "And dating."
"Forty is like the new little black dress," she told PEOPLE earlier this month. "Forty is the new 30."