Minimum hourly wage in swanky West Hollywood is the highest in the US

Business owners are concerned about growing labor costs they say could force them into financial hardship

The swanky, celebrity-studded city of West Hollywood officially has the highest minimum wage of any US city after pay zoomed to $19.08 an hour on Saturday.

Workers in West Hollywood welcomed the increase amid rising rent, gas and food prices, although employers grumbled about growing labor costs that they say could drive them out of business.