Hey "Moi" = what do you mean you need help with mitering corners on bindings? Looks danged fine to me! Bettcha wee Hailey won't notice - she will be so thrilled with her new blankie and pillow - may want to go straight to bed and miss her party --- NOT QUITE!!! You did a super job.
Hope Saturday is a lovely day for a birthday party! Give her hugs from me.