Ariana Grande may be revered for her insane whistle note vocals, but she's also known for her sleek, sky-high ponytail ... Although she wore a wig as Glinda, the star also dyed her natural ...

A lot of pop stars have a signature look. In the case of singer and actress Ariana Grande, it's the ponytail. For most, tying hair back is a practical afterthought -- an everyday way to sweep it ...

On December 17, Ariana Grande ... do was the work of Grande's go-to hairstylist, Alyx Liu, who side parted her blonde locks before sweeping them back into a high ponytail (though not nearly ...