Nicole Richie
Out with her husband Joel Madden, Nicole Richie has her purple hair pulled back into a ponytail while leaving Hugo's restaurant in Los Angeles. Can she do any wrong? Answer: No.
Dakota Fanning
Dakota Fanning has a pop of pink shine through her blonde locks at the NYC Broadway premiere of Orphans.
Kate Bosworth
We totally love it when Kate Bosworth switches it up! The Superman Returns actress shows off her wild side by dying the tips of her hair blue.
Lauren Conrad
Let's be honest: when Lauren Conrad does something, you automatically know it's cool. At her Fame Game book signing, the author waves to the crowd while rocking a hot pink ponytail tip.
Christina Aguilera
The Voice panelist has never been one to shy away from experimenting with her hair color. This season she rocked pink tips and even incorporated the color throughout a section of her cornrows.
Demi Lovato
Demi Lovato started out by dying her tips green, then quickly evolved into dying her hair pink and shaving one side of her head. We love a girl with adventure! Here she is seen with her new 'do at her Neon Lights Tour in Michigan.
Kelly Osbourne
Our own Kelly Osbourne has been rocking purple hair color for over two years now and has totally owned the pastel look! Keep it up, Kel!
Elizabeth Olsen
What twins? Elisabeth Olsen steps out of her sisters' limelight with this editorial shoot, rocking an all-over pink hue in her hair—and looks absolutely amazing doing it!
Lady Gaga
It's always hard to tell what color hair Mother Monster will be rocking when she steps out of the house! On her way to the airport, Lady Gaga is spotted with a bright green mane and white fur coat after finishing a concert in Chicago.
Nicki Minaj
Nicki Minaj changes her hair color so frequently that it even has its own gallery! This look is one of our favorites from the "Super Bass" singer as her pink highlights shine through during the GRAMMY Nominations concert in Los Angeles.
Katy Perry
Green, yellow, orange, blue…come to think of it, what color hasn't Katy Perry tried?! Here at the MTV Music Awards she looks like a true geisha goddess with her kimono and perfectly purple hair.
Ireland Baldwin
Ireland Baldwin dresses her purple hair down by wearing black leggings, a sweatshirt and flip-flops while grocery shopping in Tarzana, California.