Trixie's out looks proper for a magician. I like derpy's clothing(though I'm surprised that she doesn't have her lazy-eye) as it fits her well as a mail-lady, and I chuckled at how short Luna is compared to Celestria.
Well, I'm not really an artist, and seeing as I really don't have any reputation here, my posting this probably won't make a difference, but if you actually DID care about my opinion, I would say that Trixie is a bit too masculne, Derpy is just right, Princess Celestia is a teeny bit too young, and luna looks kid of... bratty? But you really are good, I am impressed with your talent, keep it up.
ty for the feedback! I think my style always makes girls look too masculine, but I don't picture trixie to be a gorgeous dame anyway. With Celestia I def messed up her proportions and for Luna yeah...because she is so cute in canon I just went all out cute here, I actually have a re-design of her laying around where she looks a little more proper and older but I dunno when I'll get around finishing it up, I'm starting to plow through all the rest of the sides atm!