LOS ANGELES (Reuters) - Take a few leggy California blondes, throw in a passion for luxury cars, plenty of parties, and a distaste for parking your own car. What have you got? A multimillion-dollar, female valet parking business, where struggling models and actresses dressed in bikinis, miniskirts or lingerie and Santa hats park the cars of the rich and famous in the Los Angeles area. Beverly Hills, California-based Girls Valet Parking opened for business less than six months ago. This week, it took over its rival, Valet Girls, and announced plans to expand to San Francisco, Las Vegas, San Diego...