Hi ladies! My DD is 15 months old and walking very well (running actually) . She has some Robeez and some Pediped originals, a rof TOMS that don't stay on her feet, and 1 pair of Pediped Flex, but I need to get her another pair or two of shoes she can wear outside. The Pediped Flex's are 5.5's and seem like they may be getting close to being too small (which is sad because I just put her in them) but I can't really tell for sure because I can't feel her toe through the shoe. The TOMS are 5's and her heel is always coming out of them. I printed up See Kai Run and Pediped sizing charts, but she won't let me measure her foot. Any advice on measuring her foot or thoughts on what size to buy in See Kai Run or Pedipeds Flex? Also, I put her in a pair of of Chikitto's in a 6 and Striderite in a 6.5 and both seemed really big. I'm so confused and don't have a good shoe store nearby to help! Thanks in advance!