Here's a perfect way to wear gray (or any color that no longer suits you). I totally love the way the pink draws attention to your face & your middle (without showing much). Personally, I would replace the turtleneck with the same color and type top.
Taffeta Bridesmaid Dress From Angelina Faccenda Bridesmaids By Mori Lee Dress Style 20425 Luxe Chiffon (I like this color.not so much the style, but the color. And there are a ton of other styles available in this color.