Jennifer Aniston's Hair Has Been Mystifying Us Since the '90s – But What's Her Natural Colour?

At an NBC party in 1990, a 21-year-old Aniston had deep brown hair.

In 1995, Aniston still had brown hair with a few subtle highlights.

At the premiere of Along Came Polly in 2004, Aniston surprised fans with a red hue and side bangs.

In 2009, Aniston opted for a dark blonde look at the premiere of Love Happens.

In 2002, the actress debuted bold blonde highlights at NBC's 75th Anniversary celebration.

At the Marley and Me premiere in 2008, Aniston showed off her signature "bronde" (a blend of blonde and brown) hair colour .

In 2011, Aniston was bright blonde at the premiere of Horrible Bosses.

In 2015, Aniston had sun-kissed highlights at the Screen Actor's Guild Awards.

In 2016, Aniston opted for face-framing highlights.

At the premiere of Dumplin' in 2018, Aniston had dirty blonde hair with golden highlights.