The Many Hairdos Of Demi Lovato

WEST HOLLYWOOD, CA - DECEMBER 05: Actress Demi Lovato attends NYLON + McDonald's Dec/Jan issue launch party, hosted by cover star Demi Lovato on December 5, 2013 in West Hollywood, California. (Photo by Mike Windle/Getty Images for NYLON Magazine) (2013 Getty Images)

LAS VEGAS, NV - JULY 05: Singer Demi Lovato attends the UFC 175 event at the Mandalay Bay Events Center on July 5, 2014 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images) (2014 Getty Images)

LOS ANGELES, CA - DECEMBER 16: Singer Demi Lovato attends "VH1 Divas" 2012 at The Shrine Auditorium on December 16, 2012 in Los Angeles, California. (Photo by Michael Buckner/Getty Images) (2012 Getty Images)

VANCOUVER, BC - FEBRUARY 09: Demi Lovato performs 'The Neon Lights Tour' opener at Rogers Arena on February 9, 2014 in Vancouver, Canada. (Photo by Andrew Chin/Getty Images) (2014 Getty Images)

A twitter photo Demi Lovato posted after dying her hair pink for her 2014 Neon Lights tour.

HOLLYWOOD, CA - NOVEMBER 19: Actress Demi Lovato attends the premiere of Walt Disney Animation Studios' 'Frozen'at the El Capitan Theatre on November 19, 2013 in Hollywood, California. (Photo by Frazer Harrison/Getty Images) (2013 Getty Images)

On March 4, 2014, during her Neon Lights tour, Demi Lovato posted this photo on Twitter showing that she had shaved a portion of her hair.

LOS ANGELES, CA - NOVEMBER 04: Singer Demi Lovato attends Fox's "The X Factor" Finalist Party at the SLS Hotel on November 4, 2013 in Los Angeles, California. (Photo by Frederick M. Brown/Getty Images) (2013 Getty Images)

UNIVERSAL CITY, CA - AUGUST 07: Singer/actress Demi Lovato arrives at the 2011 Teen Choice Awards held at the Gibson Amphitheatre on August 7, 2011 in Universal City, California. (Photo by Jason Merritt/Getty Images) (2011 Getty Images)

CARSON, CA - MAY 11: Actress Demi Lovato attends 102.7 KIIS FM's Wango Tango 2013 held at The Home Depot Center on May 11, 2013 in Carson, California. (Photo by Frazer Harrison/Getty Images) (2013 Getty Images)

UNIVERSAL CITY, CA - AUGUST 11: Singer Demi Lovato performs onstage at the Teen Choice Awards 2013 at the Gibson Amphitheatre on August 11, 2013 in Universal City, California. (Photo by Kevin Winter/Getty Images) (2013 Getty Images)

LOS ANGELES, CA - JANUARY 11: Singer Demi Lovato arrives at the 2012 People's Choice Awards held at Nokia Theatre L.A. Live on January 11, 2012 in Los Angeles, California. (Photo by Jason Merritt/Getty Images) (2012 Getty Images)

LOS ANGELES, CA - JANUARY 11: Singer/Actress Demi Lovato poses with Favorite Pop Artist Award in the press room during the 2012 People's Choice Awards at Nokia Theatre L.A. Live on January 11, 2012 in Los Angeles, California. (Photo by Jason Merritt/Getty Images) (2012 Getty Images)

HOLLYWOOD - SEPTEMBER 23: Actress Demi Lovato arrives at the Padres Contra El Cancer's 25th Annual Gala at The Hollywood Palladium on September 23, 2010 in Hollywood, California. (Photo by Frazer Harrison/Getty Images) (2010 Getty Images)

NEW YORK - MAY 21: Singer Demi Lovato performs for ABC's 'Good Morning America' summer concert series at Rumsey Playfield on May 21, 2010 in New York City. (Photo by Jemal Countess/Getty Images) (2010 Getty Images)

NEW YORK - AUGUST 18: Singer/actress Demi Lovato attends the premiere of "Camp Rock 2: The Final Jam" at Alice Tully Hall, Lincoln Center on August 18, 2010 in New York City. (Photo by Jemal Countess/Getty Images) (2010 Getty Images)

LOS ANGELES, CA - FEBRUARY 14: Singer Demi Lovato attends Topshop Topman LA Grand Opening at The Grove on February 14, 2013 in Los Angeles, California. (Photo by Jason Merritt/Getty Images for Topshop Topman) (2013 Getty Images)

GLENDALE, CA - JANUARY 04: Singer Demi Lovato poses at Barnes & Noble Booksellers on January 4, 2012 in Glendale, California. (Photo by Mark Davis/Getty Images) (2012 Getty Images)

HOLLYWOOD - APRIL 17: Singer Demi Lovato arrives at the Premiere Of Disneynature's "Oceans" on April 17, 2010 in Hollywood, California. (Photo by Valerie Macon/Getty Images) (2010 Getty Images)

NEW YORK, NY - DECEMBER 09: Singer Demi Lovato attends Z100's Jingle Ball 2011, presented by Aeropostale Madison Square Garden on December 9, 2011 in New York City. (Photo by Michael Loccisano/Getty Images) (2011 Getty Images)

NEW YORK, NY - JULY 06: Singer Demi Lovato performs on ABC's "Good Morning America" at Rumsey Playfield, Central Park on July 6, 2012 in New York City. (Photo by Stephen Lovekin/Getty Images) (2012 Getty Images)

NEW YORK, NY - APRIL 10: (EXCLUSIVE COVERAGE SPECIAL RATES APPLY) Demi Levato visits at Z100 Studio on April 10, 2013 in New York City. (Photo by Robin Marchant/Getty Images) (2013 Getty Images)

LAS VEGAS, NV - SEPTEMBER 21: Singer Demi Lovato poses in the press room at the iHeartRadio Music Festival at the MGM Grand Garden Arena September 21, 2012 in Las Vegas, Nevada. (Photo by Steven Lawton/Getty Images) (2012 Getty Images)

LOS ANGELES, CA - DECEMBER 20: Singer Demi Lovata arrives at Fox's "The X Factor" Season Finale - Night 2 at CBS Televison City on December 20, 2012 in Los Angeles, California. (Photo by Frazer Harrison/Getty Images) (2012 Getty Images)

UNIVERSAL CITY, CA - JULY 22: Singer/actress Demi Lovato arrives at the 2012 Teen Choice Awards at Gibson Amphitheatre on July 22, 2012 in Universal City, California. (Photo by Jason Merritt/Getty Images) (2012 Getty Images)