Penny’s Halloween bar maid costume on The Big Bang Theory

Penny’s blue dress on The Big Bang Theory

Modern Seamed Dress in Cosmic Blue by Theory at Amazon, $365

Also available at: Bloomingdales

Bernadette’s plaid blouse on The Big Bang Theory

Plaid Blouse by Velvet by Graham & Spencer at Nordstrom, $174

Bernadette’s blue rose print blouse on The Big Bang Theory

Pleat Back Blouse by NYDJ at Nordstrom, $35.90+

Bernadette’s blue checked shirt on The Big Bang Theory

Enid Shirt in Black / Midnight Slate by Paige at Nordstrom, $169

Penny’s cherry print top on The Big Bang Theory

Addie Blouse by Joie at The Outnet, $129 (was $258)

Also available at: Amazon