He can’t go home again. Kelsey Grammer is persona non grata at ex-wife Camille‘s Malibu estate, according to a neighbor. The “Frasier” star was spotted Friday morning at the Cross Creek Mall in Malibu waiting for a nanny to drop off his kids for a visit, says our spy, who added that Grammer is not welcome at Camille’s manse, a regular setting on “The Real Housewives of Beverly Hills.”

PHOTOS: KELSEY GRAMMER AND KAYTE WALSH

Grammer was cooling his heels at the nearby mall with new wife Kayte Walsh. His rep didn’t get back to us.