Rock star Rod Stewart married his girlfriend, New Zealand model Rachel Hunter, in Beverly Hills during the weekend. Stewart, 45, and Hunter, 21, plan to travel together next year in Europe. Stewart, known for such hit songs as "Tonight's the Night" and "Da Ya Think I'm Sexy," has planned an 18-month tour overseas and Rachel's going to do some modeling. He's also got a new album due in Feburary. Stewart was married once before to actress-model Alana Stewart.