Year in review: The A to Z guide of 2015

1/27

The past 12 months have been a whirlwind filled with high-profile celebrity weddings, career comebacks, movie releases, the birth of a little princess and more than a few squads!
In honor of the oh-so-memorable year, here is your A to Z guide to some of 2015's biggest highlights.

2/27

A is for Adele
The "Hello" singer made a triumphant comeback after a three year hiatus with her new album '25.'

Photo: GC Images

3/27

B is for Bob Brigade
A slew of celebrities changed up their looks this year with shorter 'dos, including Katy Perry, Jenna Dewan-Tatum, Emma Watson and Sophia Bush.

Photos: WireImage, Getty Images, GC Images, FilmMagic