Sean 'Diddy' Combs, Stevie Wonder and Mary J. Blige have turned a tiny New Jersey town into the country's most expensive zip code.

The trio is among a host of celebrities, including Chris Rock and former basketball star Patrick Ewing, to buy homes in Alpine, turning it into a haven for the rich and famous.The average home in Alpine is now worth $4.14 million, taking it to the top of a Forbes magazine poll of the nation's top towns.Artherton, California came second, ahead of New York City's West Village, Duarte California, and the iconic Beverly Hills, 90210 in fifth place.