From Doechii's Paris Fashion Week blowout to Miley's controversial jellyfish cut, these haircuts, hair colors, and hairstyles ...

"Pixie cuts work wonders with fine to medium hair, but they can also be styled on thick hair with the right layers," Jordanna explains. Think: The shorter the hair, the thicker the appearance.

The Kansas City Chiefs star is keeping his hair long after girlfriend Taylor Swift convinced him to grow it out last summer.

Another young business owner in Hamilton Sajjad Bazouni also started cutting hair as a teenager and opened his own place, Blend It Barbershop, when he was 18. He's now 20. He was joined by his ...