If you grew up wanting to be Ariel from The Little Mermaid as a kid, Halloween [1] is the perfect time to live out those dreams. The iconic Disney princess is an ideal character to channel if you are after a costume that is equal parts classic and cute. To help you morph into everyone's favorite mermaid, we've rounded up the best makeup tutorials from YouTube. Whip out your red wig and mermaid fin, and prepare to transform.