After the shorts I made not fitting Preston very well, I decided to sew him a pair of baby bloomers using the same fabric so that Addison and Preston would have a matching set.
I found a great free pattern on a blog called See Kate Sew: http://seekatesew.com/free-pattern-baby-bloomers/ She actually has a few other cute patterns that I might try too.
I had a lot of trouble with the elastic casing for the legs. They are just so tiny to work with! But I got there eventually and here are the finished baby bloomers on my blooming baby