Shiny Flabebe are actually pretty much 99% indistinguishable from their regular counterparts.
Here are some images of the Shiny Flabebe, and as you can see, the differences are not really things that will pop out at you on screen - http://krocf4.deviantart.com/art/Flabebe-377474810
Here are some images of the Shiny Flabebe, and as you can see, the differences are not really things that will pop out at you on screen - http://krocf4.deviantart.com/art/Flabebe-377474810