PrimaDonna to Marks & Spencer bra size
The short answer
PrimaDonna 75E is Marks & Spencer 34DD by the two brands' own charts.
Cups are counted along each brand's own letter order, and the band is carried across unchanged.
| PrimaDonna | Marks & Spencer, by chart | Same label | Marks & Spencer also prints |
|---|---|---|---|
| 75B | 34B | not published | not published |
| 75C | 34C | not published | not published |
| 75D | 34D | not published | not published |
| 75E | 34DD | not published | not published |
| 75F | 34E | not published | not published |
| 75G | 34F | not published | not published |
| 75H | not made | not published | not published |
| 75I | 34G | not published | not published |
| 75J | 34GG | not published | not published |
| 75K | 34H | not published | not published |
| 75L | not made | not published | not published |
| 75M | 34J | not published | not published |
What wearers say
Charts describe a garment. People who own both brands describe a fit, and their answer ranks above this table once five of them stand behind it. Pick your size in the converter to see whether there are enough yet.
Sources
- PrimaDonna size guide, read on 2026-09-18.
- Marks & Spencer size guide, read on 2026-09-18.