1. Mariah Carey is the only female artist to have 18 #1 songs on the US Billboard Hot 100 charts.
2. Her godmother is Patti LaBelle.
(DEC. 3, 2010): Grammy Award-winning singer Mariah Carey performs Dec. 3, 2010 at the Magic Kingdom in Lake Buena Vista, Fla., while taping the "Disney Parks Christmas Day Parade" TV special. Carey sings two songs -- "Oh Santa" and "All I Want For Christmas is You" -- in the annual holiday telecast that airs Dec. 25, 2010 on ABC-TV. (Mark Ashman, photographer)
3. She's been married before. She was 23 when she married her label boss, Mottola, 43.
Singer Maria Carey and her husband, actor Nick Cannon attend the Floyd Mayweather Jr. and Shane Mosley welterweight fight at the MGM Grand Garden Arena on May 1, 2010 in Las Vegas, Nevada. AFP PHOTO / GABRIEL BOUYS (Photo credit should read GABRIEL BOUYS/AFP/Getty Images)
4. Mariah used to be a vegetarian.
Singer Mariah Carey arrives at the 82nd Academy Awards at the Kodak Theater in Hollywood, California on March 07, 2010. AFP PHOTO Robyn BECK (Photo credit should read ROBYN BECK/AFP/Getty Images)
5. She composes all of her own material, except for song covers.
Singer Mariah Carey arrives for the 25th annual Film Independent Spirit Awards at LA Live in downtown Los Angeles on March 5, 2010. AFP PHOTO / Robyn BECK (Photo credit should read ROBYN BECK/AFP/Getty Images)
6. In 1990, Mariah made her official singing debut at age 20.
onstage during the 25th Film Independent's Spirit Awards held at Nokia Event Deck at L.A. Live on March 5, 2010 in Los Angeles, California.
7. She studied over 500 hours of beauty school and hair salon prior to becoming a singer.
Singer Mariah Carey arrives at the at the 67th Golden Globes Awards January 17, 2010 in Beverly Hills, California. The awards are presented by the Hollywood Foreign Press Association. AFP PHOTOS / TIMOTHY A. CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images)
8. Her highest octave is two octaves higher than normal soprano.
UNIVERSAL CITY, CA - FEBRUARY 23: Singer Mariah Carey performs at the Gibson Amphitheatre on February 23, 2010 in Universal City, California. (Photo by Jason Merritt/Getty Images)
9. She's gorgeous! Can you believe she's already in her early 40s? She was born on March 27, 1969.
at the World Music Awards 2008 at the Monte Carlo Sporting Club on November 9, 2008 in Monte Carlo, Monaco.
10. She gets her unique look from her Black Venezuelan-American father and White Irish-American mother.
performs on stage during the Conde Nast Media Group's Fifth Annual Fashion Rocks at Radio City Music Hall on September 5, 2008 in New York City.
11. Her nickname was "Mirage" in high school, because she never showed up for class.
NEW YORK - JULY 22: (U.S. TABS OUT) Singer Mariah Carey poses backstage during MTV's Total Request Live at the MTV Times Square Studios July 22, 2008 in New York City. (Photo by Scott Gries/Getty Images)
12. Some of her musical influences include Aretha Franklin, Gladys Knight, Minnie Riperton and Stevie Wonder.
SAITAMA, JAPAN - MAY 31: Singer Mariah Carey performs during MTV Video Music Awards Japan 2008 at Saitama Super Arena on May 31, 2008 in Saitama, Japan. (Photo by Koichi Kamoshida/Getty Images)
13. With "Heartbreaker," the first single from her 1999 album Rainbow, Mariah Carey became the only artist to top the charts in each year of the 1990s.
LOS ANGELES - JULY 29: Singer Mariah Carey performs at the Pepsi Smash Concert for contest winners at the Kodak Theater on July 29, 2006 in Los Angeles, California. (Photo by Kevin Winter/Getty Images for Pepsi)
14. She was nominated for, and won, a Razzie Award for "Worst Actress" for her role as "Billie Frank" in the movie Glitter.
PASADENA, CA - MARCH 04: Singer Mariah Carey waks onstage to accepts the award for Best R&B/Soul Single - Female onstage at the 20th Annual Soul Train Music Awards at the Pasadena Civic Auditorium on March 4, 2006 in Pasadena, California. (Photo by Vince Bucci/Getty Images)
15. In 2006, she posed for photos for Playboy Magazine. With her clothes on!
arrives at the 82nd Annual Academy Awards held at Kodak Theatre on March 7, 2010 in Hollywood, California.
16. Her name was inspired by the 1969 western "Paint Your Wagon," which features the song "They Call the Wind Maria."
MUNICH, Germany: US-singer Mariah Carey performs on stage on 01 December 2005 in Munich durinng the 57th Bambi media awards ceremony. Carey received the prize in the category "Pop International". The Bambis are one of Germany's most prestigious awards, covering everything from sport and pop to politics and economy. AFP PHOTO DDP/JOERG KOCH GERMANY OUT (Photo credit should read JOERG KOCH/AFP/Getty Images)
17. Early in her career, Mariah was unable to tour due, in part, to crippling stage fright.
onstage at the 2005 World Music Awards at the Kodak Theatre on August 31, 2005 in Hollywood, California.
18. She was born in Huntington, New York.
Mariah Carey studio photo shoot.6/12/1990 photo by Frank Micelotta/ImageDirect*** SPECIAL RATES APPLY ***
19. She's notoriously generous to her personal staff and in 2007 she nearly broke the bank. Her annual gift bag to her closest peeps was reportedly worth almost $20,000.
Mariah Carey performing at the 1998 Billboard Music Awards in Las Vegas,NV. (Photo by Frank Micelotta/ImageDirect)
20. She avoided doing commercials and promoting products in the U.S. for years until 2006. She appeared in ads for Intel Centrino computers!
<> at Four Seasons Hotel New York on November 9, 2011 in New York City.