Be honest — you still have some relics from your youth lurking in your closet.

Style expert Sherrie Mathieson says even if those clothes come back in style, they just won’t work for you the way they once did.

The award-winning costume designer and stylist has created a manual to help bring you and your clothes into the 21st century.

She talked to Growing Bolder about her book, “Forever Cool: How to Achieve Ageless, Youthful and Modern Personal Style” and why she thinks Baby Boomers are desperate for fashion salvation.

To check out more tips from Sherrie — for men and women — click here.