Madonna

Pop star Madonna poses to present the film 'Filth and Wisdom' running at the 58th Berlinale International Film Festival in Berlin. (Reuters/Fabrizio Bensch)

US pop icon Madonna poses to present the film she directed 'Filth and Wisdom” presented in the 'Panorama Special' category at the 58th International Berlinale Film Festival in Berlin. (AFP/Barbara Sax)

Pop star Madonna poses to present the film 'Filth and Wisdom' running at the 58th Berlinale International Film Festival in Berlin. (AFP/Michael Kappeler)

US pop icon Madonna poses on the red carpet as she arrives for the premiere of the film she directed 'Filth and Wisdom” and presented in the 'Panorama Special' category at the 58th International Berlinale Film Festival in Berlin. (AFP/ Sascha Schuermann)

Madonna at Ambedkarnagar, Colaba in Mumbai on Tuesday, January 08, 2007. (PTI/Photo)

Western Pop Singer Madonna along with director husband Guy Ritchie (L) at Ambedkarnagar, Colaba in Mumbai on Tuesday, January 08, 2007. (PTI/Photo)

Madonna along with director husband Guy Ritchie (L), and 'Shantaram' author Gregory David Roberts at Ambedkarnagar, Colaba in Mumbai on Tuesday, January 08, 2007. (PTI/Photo)

Madonna visits Eklingji temple in Udaipur on Monday, January 07, 2007. (PTI/Photo)

Madonna leaves for hotel in her car after arriving in Mumbai on Tuesday, January 08, 2007. (PTI/Photo)

Pop star Madonna (L) arrives at the airport in Jodhpur on Sunday, January 06, 2008. The pop star is on a vacation with her family in India's desert state of Rajasthan. (Reuters/Stringer)

Madonna, her husband Guy Ritchie and her son, Rocco, come out of Mehrangadh Fort in the western Indian city of Jodhpur on Friday, January 05, 2008. (Reuters/Stringer)

Madonna, her husband Guy Ritchie and her son, Rocco, come out of Mehrangadh Fort in the western Indian city of Jodhpur on Friday, January 05, 2008. (Reuters/Stringer)

Madonna and her husband Guy Ritchie come out of Mehrangadh Fort in the western Indian city of Jodhpur on Friday, January 05, 2008. (Reuters/Stringer)

Madonna arrives for the Vanity Fair Oscar Party at Mortons in West Hollywood on February 25, 2007. (Reuters Photo/Chris Pizzello

Madonna arrives to attend a Cinema Society screening of the film "Revolver" in New York December 2, 2007. (Reuters Photo/Lucas Jackson)

Madonna performs at the Live Earth concert at Wembley Stadium, London July 7, 2007. Former U.S. Vice President Al Gore and his global partners staged the Live Earth concerts held on seven continents simultaneously to raise awareness of environmental issues. (Reuters Photo/Stephen Hird)

Madonna carries her adopted son David at the Home of Hope orphanage in Mchinji villager. At right is Madonna's daughter Lourdes. (Reuters/Siphiwe Sibeko)

Madonna performs on stage on September 1, 2004 (Photo/AFP)

Madonna performs on stage on September 1, 2004 (Photo/AFP)

Madonna performs during her concert of "Confessions Tour" in Tokyo on September 20, 2006. (Reuters/Toru Hanai)

Madonna has come a long way since her early wild days. Watching her roll around onstage in a wedding dress and fishnet stocking at the 1984 MTV Video Music Awards, few could have predicted that Madonna would become a cultural force to be reckoned with over the next two decades. In this pic, an H&M giant advertising poster of the singer is displayed on the front of the Roosevelt Hotel in Hollywood on March 28, 2007. (AFP/Photo/Gabriel Bouys)

Since that moment, the Catholic schoolgirl turned Kabbalist has made movies, launched style trends, sparked religious controversy, sold over 200 million records, and proved herself to be a savvy businesswoman. In the pic, she performs the song "Forbidden Love" between two dancers, with the Star of David and the crescent moon, a symbol of Islam, painted on their bodies, during her concert in Rome on August 6, 2006. (Reuters/Chris Helgren)

Offstage, Madonna took on the roles of wife, mother, children's-book author and humanitarian. In 1996, her daughter Lourdes was born, and in 2000, Madonna married British film director Guy Ritchie. Seen in the pic, with husband Guy Ritchie (2nd L) and their children Rocco and Lourdes (R) as they attend the premiere of the film "Arthur and the Invisibles" in Leicester Square, London, January 25, 2007. (Reuters/Kieran Doherty)

The two have also adopted a boy from Malawi named David. The family primarily resides in England. Madonna holds David Banda in her arms in Malawi on April 19, 2007. (AP Photo/Karel Prinsloo)

Mariah Carey

Singer and actress Mariah Carey makes a guest appearance at a shopping center, where she turned on the Christmas lights with the help of eight children from the charity 'Help A London Child' in London on November 19, 2009.  (AP/Joel Ryan)

Singer and actress Mariah Carey makes a guest appearance at a shopping center, where she turned on the Christmas lights with the help of eight children from the charity 'Help A London Child' in London on November 19, 2009. (AP/Joel Ryan)

Singer and actress Mariah Carey makes a guest appearance at a shopping center, where she turned on the Christmas lights with the help of eight children from the charity 'Help A London Child' in London on November 19, 2009.  (AP/Joel Ryan)

Singer and actress Mariah Carey makes a guest appearance at a shopping center, where she turned on the Christmas lights with the help of eight children from the charity 'Help A London Child' in London on November 19, 2009.  (AP/Joel Ryan)

Mariah Carey landed more than just a big pay cheque for a private gig in Turkey when she was showered with diamond gifts. She was paid a staggering $1.5 million for a one-off performance at the launch of the Mardan Palace. Mariah was gifted millions more in sparkling jewels, including a huge five-carat diamond ring in the shape of her signature butterfly. (REUTERS/Eric Gaillard)

US actress and singer Mariah Carey arrive prior the screening of the movie 'Bak-Jwi' in competition at the 62nd Cannes Film Festival. (AFP/Anne-Christine Poujoulat)

Cast member Mariah Carey poses on the red carpet as she arrives for the screening of the film 'Precious' at the 62nd Cannes Film Festival. (REUTERS/Eric Gaillard)

Pop singer Mariah Carey will sing "Hero" for Barack Obama when he is sworn in as the 44th American president. She says: "It’s fitting for him. It’s appropriate." She admits she's "nervous" about her performance, and is glad to be American. (AFP/Stan Honda)

American pop star Mariah Carey poses for photographs during a photo session after her press conference in Shanghai. (AFP Photo/Liu Jin)

After winning accolades for her role in 'Tennessee', Mariah Carey is set to act in an upcoming flick 'Push'. She will be seen portraying a social worker ministering to an obese, HIV-positive woman impregnated twice by her father, reports the 'New York Daily News'. (Reuters/Pascal Deschamps)

Pop superstar Mariah Carey swims with an obliging pink dolphin at Singapore's Underwater World theme park 12 March 2000 during her brief visit to the island nation for a concert. (AFP Photo)

Singer Mariah Carey (L) performs with Jay-Z in New York. (Reuters/Brendan Mcdermid)

US pop music diva Mariah Carey performs in the Lebanese capital Beirut. (AFP/Ramzi Haidar)

American singer Mariah Carey arrives for the Swarovski Fashion Rocks for The Prince's Trust in Monte Carlo. (Reuters/Eric Gaillard)

Singer Mariah Carey poses during the 2005 Recording Academy Honors at Gotham Hall in New York City. (Reuters/Peter Foley)

US singer Mariah Carey (C) performs during the International Carthage festival at the El-Manzeh olympic stadium in Tunis. (AFP/Fethi Belaid)

Mariah Carey is set to celebrate her wedding to rapper Nick Cannon after a whirlwind romance with a huge party. They have hired the Stone Meadow Farm in New York for a week, at a cost of $125,000, before they host the star-studded party. (Photo/Patrick Hertzog)

Mariah Carey takes part in German TV show "Wetten Dass..." (Let's make a bet...) in Berlin. (AFP Photo/Soeren Stache)

US singer Mariah Carey arrives at the opening of a multi-million dollar school on January 2, 2007. (AFP Photo/Stringer)

Mariah Carey performs at the ABC Good Morning America Summer Concert series at Times Square in New York. (Reuters/Mike Segar)

Mariah Carey arrives at the 10th anniversary Gala of the VH1 'Save the Music Foundation' in New York. (Reuters/Lucas Jackson)

Mariah Carey performs at the 'Idol Gives Back' show at the Kodak theatre in Hollywood. (Reuters/Mario Anzuoni)

Mariah Carey throws the first ball of Japan's baseball match between Yomiuri Giants and Rakuten Eagles in Tokyo. (Reuters/Kim Kyung Hoon)

Mariah Carey performsm while holding the trophy at the MTV Video Music Awards '08 in Saitama. (Reuters/Kim Kyung Hoon)

Mariah Carey attends an unveiling ceremony of a chair named 'Mariah' in Tokyo. (Reuters/Kim Kyung Hoon)

US singer Mariah Carey launches her debut fragrance 'M by Mariah Carey' at Macy's department store in New York (AFP Photo/Emmanuel Dunand)

Singer Mariah Carey poses with a replica of her legs at Radio City Music Hall in New York. (Photo/ Reuters Shannon Stapleton)

Singer Mariah Carey launches her new fragrance 'M by Mariah Carey' at Macy's Herald Square, Tuesday, October 23, 2007 in New York. (AP Photo/Evan Agostini)

Singer Mariah Carey makes a guest appearance on the BET show '106 and Park' Monday, October 22, 2007 in New York. (AP Photo/Gary He)

Singer Mariah Carey arrives at VH1 Save the Music Foundation 10th Anniversary gala in New York (AP Photo/Peter Kramer, file)

U.S. singer Mariah Carey performs during the 57th Bambi media awards in Munich (Reuters/ Alexandra Winkler)

Singer Mariah Carey performs in New York August 23, 2006. (Photo/Reuters Brendan McDermid)

Mariah Carey arrives to attend the 10th anniversary gala of the VH1 "Save the Music Foundation" in New York onSeptember 20, 2007. (Photo/ Reuters Lucas Jackson)

Mariah Carey reacts to being nominated for eight Grammy awards in New York December 8, 2005. Carey's "The Emancipation of Mimi" was nominated for best album of the year while her ballad "We Belong Together" was nominated for song of the year. (Photo/Reuters Chip East)

Singer Mariah Carey arrives at the opening of the Oprah Winfrey Leadership Academy for Girls outside Johannesburg January 2, 2007. Winfrey started the private learning and residential institution for girls in grades 7-12 who show outstanding promise despite their social circumstances. (Photo/ Reuters Siphiwe Sibeko)