By Anna Hecht
Updated Apr 23, 2016 @ 6:30 am
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Antonio de Moraes Barros Filho/WireImage, Jon Kopaloff/FilmMagic, Jason Merritt/Getty Images

Birthday girl Gigi Hadid's career has skyrocketed over the past two years. In 2014, she was featured in Sports Illustrated's infamous swimsuit issue as a "rookie." Since then, she's proven she's no longer a rookie; she's a full-blown supermodel with a killer resumé to back it up.

In case you aren't already caught up on Hadid's rockstar lifestyle, we'll give you the rundown. Since getting her start on the runway, the 5'10" blonde bombshell of a supermodel's appeared in music videos, on countless magazine covers, and she even walked in this year's highly coveted Victoria's Secret Fashion Show. Not to mention, she's dated several Hollywood musician hotties, including Cody Simpson, Joe Jonas, and Zayn Malik—all while juggling a crazy career and schedule.

With a million different things going on and projects to promote, Hadid claimed A-lister status in what seems like seconds. What we love most about her style—sexy sheer dresses aside—is her versatility in the hair department. Short bobs? Check. Blunt bangs? Of course. Hadid changes up her hair all the time, proving she's a total hair chameleon both IRL and on the red carpet. See for yourself in photos below from the birthday girl's personal Instagram.

Curly Sue

A photo posted by Gigi Hadid (@gigihadid) on Apr 16, 2016 at 5:50pm PDT

Blunt Bangs

A photo posted by Gigi Hadid (@gigihadid) on Apr 11, 2016 at 8:15am PDT

Beachy Bombshell

A photo posted by Gigi Hadid (@gigihadid) on Jan 23, 2016 at 9:17am PST

Edgy Bob

A photo posted by Gigi Hadid (@gigihadid) on Dec 5, 2015 at 4:01pm PST

Soft Waves

A photo posted by Gigi Hadid (@gigihadid) on Nov 13, 2015 at 11:39am PST

High Pony

A photo posted by Gigi Hadid (@gigihadid) on Oct 7, 2015 at 1:30pm PDT

Slightly Blue

A photo posted by Gigi Hadid (@gigihadid) on Aug 8, 2015 at 7:57am PDT

Flower Girl

A photo posted by Gigi Hadid (@gigihadid) on Mar 29, 2015 at 8:47am PDT

Sleek Chic

A photo posted by Gigi Hadid (@gigihadid) on Feb 23, 2015 at 2:30pm PST

Blonde and Long

A photo posted by Gigi Hadid (@gigihadid) on Feb 19, 2015 at 9:20pm PST

High Volume

A photo posted by Gigi Hadid (@gigihadid) on Dec 6, 2014 at 9:00pm PST

Crimped Queen

A photo posted by Gigi Hadid (@gigihadid) on Jul 30, 2014 at 7:55pm PDT

Major Waves

A photo posted by Gigi Hadid (@gigihadid) on May 20, 2014 at 1:54pm PDT