So, I went with the dress suggestion (DH liked the idea of a dress better too, but his reasons have more to do with diaper changes and his lack of coordination--ok, that last part is just my opinion).
But, I changed it up. Instead of going with a shirred sundress, I went with another O+S seashore sundress. I made 2 last year and forgot I had the pattern until cleaning out LA's closet. I think it suites her More photos are in my blog if you are interested.