With Barbara de Creddo playing disco bombshell in How to Spend It's '70s-inspired editorial, it's not hard to see why we're after the same look. The appeal of the vibrant and utterly cool '70s woman is one that's lured our fashionable senses since Marc Jacobs and Tory Burch's Spring '11 runways. An added bonus? We're helping you to outfit the look without going over budget. It's a trend worth trying as the '70s spirit will continue into Fall. Click through for all the essential pieces to channel '70s glamour in your everyday — with nothing over $100.