david's bridal formal dresses Plum Purple 1-Shoulder Evening Gown Dress, Size 12 Matte Satin Cowl Neck Sheath

Centre, side-back, under-arm and shoulder seams are employed in shaping the jacket, the broad fronts being in single pieces, and lapping in double-breasted fashion

Apparently there's been major developments in functional fashion, with backless and sticky bras now able to withstand gravity and are supposedly big bust friendly (I fluctuate between a DD and an E) too

This one from Telfar is tiny and cute, but holds the essentials

Somewhat lighter greys and blues (think medium grey and cadet blue) can be worn in the warmer months, but its best to avoid very light suit colours if youre in a particularly conservative environment