I love these shoes!  My 21 month old has been wearing them often since she was 17 months old and they still look almost brand new.  We get compliments on them all the time.

I had seen some reviews that said these run small and that you should get a size up, so I did, and that was a mistake.  I ended up buying a second pair in her current size but kept the larger pair since I like them so much.  It's been 4.5 months and my daughter still doesn't fit into the larger size (she is still in her size 4s and we are waiting for the size 4.5 to fit).  So in my experience order your child's current size, unless she grows fast or you want room for growth.