FORMERLY warring Hollywood ex-couple Jon and Christine Peters are banding together to try and stop their 19-year-old daughter, Caleigh, from hanging out with Rod Stewart’s wild child son Sean, 27.

Jon’s representative, Brian Quintana, said both he and Christine want Sean “out of their daughter’s life.” Sean, who had been casually seeing Caleigh, is being accused by the Peters of stealing Jon’s Cadillac Escalade on or around March 7.

Quintana told us by e-mail, “Caleigh dumped him and wouldn’t take his calls. ...