Let's take a journey through the next few pages together. Get to the end, and I promise you'll have a better fitting bra size.
HerRoom CEO/Founder
Prima Donna
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Size 
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Our Exclusive Universal Cup Sizing™ (UCS®) System shows ALL your bra choices:
EXAMPLES:
- 34DDD (USA)
- 34F (EUROPE)
- 34E (U.K.)
- =34 D3 (UCS)
if you're larger than a D cup, you have a UCSTM size.
(Learn more about UCSTM)FIND YOUR UCS™ BRA SIZE
Why Buy Prima Donna Lingerie?
Prima Donna lingerie, bras, panties, and swimwear are designed for natural curves, with exciting colors and intricate trim to make women of all ages and sizes look and feel their best. A luxury brand from Belgium with cup sizing up to a J(D7). They invented the upper cup stretch design giving women a more custom fit.
Prima Donna 