The pair were rarely seen together in recent months, and at a May 14 Victoria's Secret event in Santa Monica, Calif., Prinsloo was tight-lipped when Us asked the Namibian-born beauty if she was single. PHOTOS: Hollywood's biggest flirts "Behati was in and out, but they finally ended it," a source close to Levine explains.
"It wasn't an abrupt ending." Now that the mentor is dating 21-year-old Agdal, the 33-year-old crooner is "having fun" again, the source adds.
"She was watching the show on a monitor with others backstage." VIDEO: How Adam Levine fell for Behati Prinsloo Agdal recently made headlines of her own when she attended high school senior Jake Davidson's prom after Kate Upton was forced to cancel.
Prior to dating Agdal and Prinsloo, Levine was in a two-year relationship with Victoria's Secret model Anne Vyalitsyna.
Davidson famously made a You Tube invite to ask Kate Upton to be his date and was turned down.The source said: "It wasn’t an abrupt ending." They added that the 'Moves Like Jagger' singer's relationship with Nina was "still new" but that he was "having fun again".Nina was apparently seen on the set of The Voice, on which Adam is a mentor back in May.He has been in 15 celebrity relationships averaging approximately 1.1 years each. "If you had told me Gwen Stefani was going to be with Blake Shelton, I would have told you were out of your f**king mind," Levine remarked to Stern.