Mariah Carey

Mariah Carey performs at The Colosseum at Caesars Palace to launch her residency "Mariah #1 to Infinity" on April 27, 2015, in Las Vegas.

Mariah Carey

Mariah Carey attends the 2014 Fresh Air Fund Honoring Our American Hero at Pier Sixty at Chelsea Piers on May 29, 2014, in New York.

Mariah Carey

Mariah Carey performs during the 2013 BET Awards at Nokia Theatre L.A. Live on June 30, 2013, in Los Angeles.

Mariah Carey

Mariah Carey performs during Escape To Total Rewards at Gotham Hall on March 1, 2012, in New York.

Mariah Carey

Recording artist Mariah Carey poses at a press conference to announce that she is the new Jenny Craig Brand Ambassador at Four Seasons Hotel New York on Nov. 9, 2011 in New York.

Mariah Carey

Singer/actress Mariah Carey and husband Nick Cannon arrives at the 82nd annual Academy Awards on March 7, 2010, in Hollywood, Calif. The now former couple, who married in 2008, welcomed twins on April 30, 2011 (which was also their third wedding anniversary) - a son named Moroccan and daughter named Monroe.

Mariah Carey

Mariah Carey, center, performs at Madison Square Garden on Dec. 31, 2009, in New York.

Mariah Carey

Mariah Carey arrives at the "Precious" screening during the 2009 Toronto International Film Festival on Sept. 13, 2009, in Toronto.

Mariah Carey

Mariah Carey shows off a diamond sparkler at the premiere of her new film, "Tennessee," at the 2008 Tribeca Film Festival in New York.

Mariah Carey

Singer Mariah Carey greets a fan during for an autograph session in Universal City, Calif., on April 17, 2008.

Mariah Carey

Mariah Carey listens to the "song of a stiletto" thanks to a shoe-inspired riff by designer Carlos Santana in a March 2008 commercial for her fragrance "M" for Macy's stores.

Mariah Carey

Mariah Carey poses with actor Jack McBrayer, who co-stars in Carey's new video, during an appearance on MTV's Total Request Live, Feb. 27, 2008, in New York. Carey was promoting the release of the first video, "Touch My Body," from her new album E=MC2.

Mariah Carey

Mariah Carey arrives at a Paris hotel, June 27, 2007. Carey was in the French city to perform at European debut of One Mighty Weekend in Disneyland Paris.

Mariah Carey

Mariah Carey poses beside a 16-foot tall replica of her legs, revealed as she was named the first "Celebrity Legs of a Goddess," for Gillette in New York on May 30, 2006.

Mariah Carey

Mariah Carey holds her three Grammys for best female R&B vocal performance, best contemporary R&B album, and best R&B song at the 48th Annual Grammy Awards on Feb. 8, 2006, in Los Angeles.

Mariah Carey

Mariah Carey accepts the award for female entertainer of the year at the World Music Awards on Wednesday, Aug. 31, 2005, in Los Angeles. Her 10th studio album, "The Emancipation of Mimi," became the biggest selling album of 2005 and won a Grammy Award in 2006 for "Best Contemporary R&B Album."

Mariah Carey

Mariah Carey performs during 5th annual BET Awards, June 28, 2005, in Los Angeles. Following a decline in her popularity, Carey signed with Island Records in 2002 and returned to the forefront of the music scene in 2005.

Mariah Carey

Despite difficult times, Mariah Carey smiles during an interview Jan. 31, 2002, in New Orleans. She was in town to sing the National Anthem at the Super Bowl. Her popularity was in decline when she left Columbia in 2001, was dropped by Virgin Records in 2002 and suffered a highly publicized physical and emotional breakdown, as well as the poor reception to "Glitter," her film and soundtrack project.

Mariah Carey

Mariah Carey arrives at the American Music Awards, Jan. 17, 2000.

Mariah Carey

Luciano Pavarotti, left, and Mariah Carey Carey sang her hit "Hero" during the "Pavarotti & Friends" concert in Modena's Novi Sad park Tuesday, June 1, 1999.

Mariah Carey

Fresh-faced Mariah Carey in 1996. She made her recording debut in 1990 under the guidance of Columbia Records executive Tommy Mottola, (who she married in 1993) and became the first recording artist to have her first five singles top the U.S. Billboard Hot 100 chart. Carey and divorced in 1998.

Mariah Carey

Mariah Carey performs during the MTV Video Music Awards in this 1991.