Who's Wearing the Trend: Rachel Bilson, Vanessa Hudgens, Leighton Meester.

Seen At: Charlotte Ronson, Alexander Wang, Phi, Proenza Schouler.

Why We Love It: Spring usually blooms with florals and pastels, but this season is heating up even more with leather pieces fit for the warmer months. It's a closet staple that can be worn over and over again and in many different ways.

Pair It With: Throw on a leather jacket over a cute spring dress to toughen up a feminine look, or grab a classic leather handbag to pull your look together.

The Must-Have Piece: Diesel Cream Leather Vest, $200

The Ultimate Steal: dELiA's Braided Leather Cuff, $12.50