Warren Beatty is an underrated style icon. He follows fashion but never takes trends too far and always dresses age-appropriate. In this 1970 photo, a youthful Beatty mixes a pair of suit trousers with a casual jacket and completes the look with the must-have accessories of the time.
About the author: For even the most skilled dressers, assembling a killer outfit sometimes requires a little more inspiration than the average online shopping experience provides. Enter Roxana Altamirano, the genius behind Nerd Boyfriend, the style blog that offers step-by-step instructions for re-creating ensembles worn by icons ranging from Michael Caine to Richard Gere (see full list here). Now she's guest blogging on Details.com every week. Have a hero you want to see featured? Leave a note in the comments and we'll see what we can do.