Brad Pitt [1]'s appearance has certainly changed dramatically over the past few decades, but we're not complaining. From surfer-boy strands to a military buzz cut, Brad manages to look unreasonably hot every time he's out in public. Brad turns 51 today, and what better opportunity to reminisce on all his past looks? Read on to see some of our favorite coif choices — we think you'll be hard-pressed to pick a favorite.

June 1988: The Boyish Coif

September 1990: The Bad Boy Tousle

September 1993: The Man Lob

September 1993: The Surfer Dude

November 1994: The Kurt Cobain

January 1996: The Scruffy Man

March 1997: The His-and-Hers

November 1998: The Business Casual

March 2000: The Scruff 2.0

September 2004: The High-and-Tight

May 2007: The Bro

May 2007: The '50s Dude

June 2007: The Smooth Operator

June 2007: The Clean Shave

September 2007: The Dapper Dude

November 2007: The Hat Hair

August 2009: The Salt-and-Pepper Sexy

December 2010: The Brush-Back

May 2011: The Gelled-Hair-Don't-Care

September 2011: The Relaxed Bob

December 2011: The Sexy Nerd

January 2012: The A-List Lob

May 2012: The Shampoo Commercial Coiff

June 2013: The Mini Man Bun

September 2013: The Red Carpet Man Bun

November 2013: The Big Reveal

February 2014: The Award-Season Shave

March 2014: Studly Stubble

May 2014: Sophisticated Soul Patch

June 2014: Dapper Daddy

June 2014: Kangol Cool

August 2014: Tousled Temptation

October 2014: Manly Mustache

November 2014: Seriously Sexy

December 2014: Shaggy Chic