Janet Jackson through the years

US singer Janet Jackson performs during the Dubai World Cup horse racing event on March 26, 2016 at the Meydan racecourse in the United Arab Emirate of Dubai. .

Janet Jackson accepts the ultimate icon: music dance visual award at the BET Awards in Los Angeles. (June 28, 2015)

Wissam Al Mana and Janet Jackson attend the Giorgio Armani 40th Anniversary Dinner Reception at Nobu on April 29, 2015 in Milan, Italy.

Janet Jackson performs live on stage at the Sydney Opera House on Nov. 5, 2011 in Sydney, Australia.

Janet Jackson and Wissam Al Mana arrive for the Lanvin Ready to Wear Spring/Summer 2011 show during Paris Fashion Week at Halle Freyssinet on Oct. 1, 2010 in Paris, France.

Janet Jackson performs on the first night of the 2010 Essence Music Festival at the Louisiana Superdome in New Orleans, Friday, July 2, 2010.

U.S. pop star Janet Jackson, center, is surrounded by excited dance students during her surprise visit to a dance studio in Tokyo, Thursday, April 10, 2008. Jackson is in Japan to promote her newest album "Discipline."

Janet Jackson and Wissam Al Mana in a portrait taken by photographer Marco Glaviano. A representative for Jackson confirmed Feb. 25, 2013, that the musician and Al Mana wed last year.

Janet Jackson performs during her Up Close and Personal tour in Cape Town, South Africa. (Nov 15, 2011)

Janet Jackson appears during an "Internet Live-talk" broadcast by Yahoo Japan at the company headquarters in Tokyo, Japan, on Oct. 23, 2006.

Janet Jackson attends the 25th annual benefit gala of One Hundred Black Men Inc. in New York City on Thursday, Nov. 11, 2004.

Janet Jackson gets a kiss from Dwayne "The Rock" Johnson after going on-stage to receive her Readers' Choice for Entertainer of the Year award during the 2002 Essence Awards at the Universal Amphitheater in Universal City, Calif. on Friday, May 31, 2002.

Janet Jackson performs during MTV's mtvICON tribute to Aerosmith in Los Angeles on April 14, 2002.

From left, Janet Jackson and opera singer Leontyne Price during a photo-op prior to the start of the National Association of Black Owned Broadcasters 18th annual Communications Awards Dinner in Washington on March 8, 2002.

Janet Jackson arrives at the MTV Video Music Awards in New York City on Sept. 26, 2001.

Janet Jackson performs in concert at Madison Square Garden in Manhattan on Aug. 23, 2001.

Janet Jackson receives the Award of Merit at the 28th annual American Music Awards in Los Angeles on Jan. 8, 2001.

Janet Jackson arrives at the premiere of her new film "Nutty Professor II" with her father Joe Jackson, in Universal City, Calif., on July 24, 2000.

Janet Jackson holds her award for her outstanding contribution to rhythm and blues, during the 1999 World Music Awards in Monaco, French Riviera on May 5, 1999.

Retired U.S. Army Gen. Colin Powell and Janet Jackson arrive at the Boys and Girls Club in Washington, D.C., on June 23, 1998 to participate in a mentoring program called America's Promise

Janet Jackson performs her song "If" during one of her sold-out concerts at the Forum in Ingelwood, Calif. on April 7, 1994.

Michael Jackson kisses his sister Janet Jackson after she presented him with the Grammy Legend Award at the 35th annual Grammy Awards on Feb. 24,1993.

Janet Jackson holds her Sammy Davis Jr. award backstage at the sixth annual Soul Train Music Awards show in Los Angeles on March 10, 1992.

Janet Jackson holds two trophies after winning for her "Miss You Much" single in both the dance and soul-rhythm and blues categories in the 17th annual American Music Awards at the Shine Auditorium in Los Angeles on Jan. 22, 1990.

Janet Jackson in 1989.

Janet Jackson backstage at the Shrine Auditorium in Los Angeles on Monday, Jan. 27, 1987. Jackson received the crystal award for favorite soul and rhythm-and-blues single with her hit "Nasty."

Janet Jackson during a pause in filming scenes for the television show "Fame" at South Street Seaport in Manhattan on July 24, 1984.

From left, Maureen "Rebie" Jackson, Janet Jackson, LaToya Jackson and Michael Jackson on stage during the 26th annual Grammy Awards in Los Angeles on Tuesday, Feb. 29, 1984, as he receives an award for Best Male Pop Vocal. Jackson received a total of eight grammy awards, a new record.

Comedian Jimmy Walker talks with Janet Jackson in an episode of "Good Times" on Sept. 28, 1977.

Janet Jackson of the American Foundation for AIDS Research (amfAR) speaks at a news conference for the Austrian Life Ball, the annual AIDS charity gala in Vienna, Austria. (May 21, 2011)

Janet Jackson arrives for the amfAR Cinema Against AIDS benefit at the Hotel du Cap-Eden-Roc, during the 64th Cannes international film festival, in Cap d'Antibes, southern France. (May 19, 2011)

Singer Janet Jackson visits BET's 106 & Park at BET Studios in Manhattan. (March 31, 2010)

Janet Jackson and Malik Yoba in a scene from, "Tyler Perry's Why Did I Get Married."

Actress Janet Jackson attends the special screening of "Why Did I Get Married Too?" at the School of Visual Arts Theater in Manhattan. (March 22, 2010)