the pajama top

$325, barneys.com

It's a fashion week favorite. Here's how to make it work in real life. Wear it with... 

1. Rag & Bone pajama top, $325, barneys.com

2. Tiffany platinum earrings, $3700, tiffany.com

3. Chrissie Morris platform sandals, $644, kirnazabete.com

4. Joseph blue wool pants, $330, stylebop.com

5. Marc by Marc Jacobs leather wristlet, $130, netaporter.com

As my friend Annie would say: Party People, tuck in the shirt, roll up the sleeves and have a glass of champagne.