Seen At: Valentino, Jean Paul Gaultier, Christian Dior

Who's Wearing The Trend: Rachel Zoe, Mary-Kate Olsen, Olivia Palermo

Why We Love It: As fall approaches, we're welcoming a new crop of colors into our wardrobes. Call us literal, but we're particularly inspired by the changing leaves in the harvest season. In the upcoming months, layer your fall classics in warm hues like oranges, yellows, rich browns and deep reds to get in spirit for the season, and have some fun with mixing and matching different materials and textures while you're at it.

Pair It With: When it comes to color, a subtle beige or cream can be lifted with a deep orange or burgundy tone, but color doesn't have to stop with ready-to-wear. Accessories can do plenty to incorporate fall's rich hues into your look. Get started with a bold scarf in orange or red, gold jewelry or a plaid patterned shirt to achieve an autumn feel.

The Must-Have Piece: 3.1 Phillip Lim silk-blend twill oversize parka, $950, at net-a-porter.com

The Ultimate Steal: Lucky Brand suede fringe tote, $99.99, at luckybrand.com

Related: Get Back To Basics For Fall