Heidi Range of the Sugababes poses for photographers as she arrives to attend the BRIT music awards at the O2 Arena in London February 15, 2011. REUTERS/Toby Melville (BRITAIN - Tags: ENTERTAINMENT SOCIETY)

Heidi Range (L) of British pop group Sugababes reacts to losing a shoe as she walks down the catwalk with band members Amelle Berrabah (C) and Keisha Buchanan during Naomi Campbell's Fashion for Relief 2008 charity fashion show as part of London Fashion Week September 17, 2008. REUTERS/Suzanne Plunkett (BRITAIN)

The Sugababes (L-R) Heidi Range, Keisha Buchanan and Amelle Berrabah perform at the 46664 concert in honour of Nelson Mandela in Hyde Park, London June 27, 2008. The event was organized to raise funds for Nelson Mandela's HIV/AIDS "46664" campaign, named after his prison number. Exactly 46,664 people were expected to attend the event, which also celebrates the former South African president's 90th birthday on July 18. REUTERS/Andrew Winning (BRITAIN)

Singers Heidi Range (L) and Amelle Berrabah of the Sugababes pose at the "Q Awards" in London October 8, 2007. REUTERS/Anthony Harvey (BRITAIN)

Singers Heidi Range (L) and Amelle Berrabah of the Sugababes pose at the "Q Awards" in London October 8, 2007. REUTERS/Anthony Harvey (BRITAIN)

British singers 'Sugababes' pose at the Laureus World Awards ceremony in Barcelona April 2, 2007. REUTERS/Albert Gea (SPAIN)

The Sugababes (L-R) Heidi Range, Amelle Berrabah and Keisha Buchanan arrive for the world premiere of the latest James Bond movie "Casino Royale" at the Odeon cinema in Leicester Square in London November 14, 2006. REUTERS/Luke MacGregor (BRITAIN)

The Sugababes (L-R) Heidi Range, Amelle Berrabah and Keisha Buchanan arrive for the world premiere of the latest James Bond movie "Casino Royale" at the Odeon cinema in Leicester Square in London November 14, 2006. REUTERS/Luke MacGregor (BRITAIN)

Singers Heidi Range (L), Amelle Berrabah(C) and Keisha Buchanan of the band Sugababes perform during The Prince's Trust 30th Birthday concert at the Tower of London in east London May 20, 2006. The trust was founded by Britain?s Prince Charles in 1976 and has helped over a half a million people aged between 14 and 30. REUTERS/Alessia Pierdomenico

Supermodel Heidi Klum holds a piece from the Heidi Klum Collection for Mouawad, Heidi's lucky charm based on the clover shape during a press preview at Theodore at The Grove in Los Angeles, California March 1, 2006. The jewelry line ranges from sterling silver accessories to high-end 18-karat gold and diamond statement pieces.

Supermodel Heidi Klum wears a piece of jewelry from the Heidi Klum Collection for Mouawad during a press preview at Theodore at The Grove in Los Angeles, California March 1, 2006. The jewelry line ranges from sterling silver accessories to high-end 18-karat gold and diamond statement pieces.

Supermodel Heidi Klum holds a piece from the Heidi Klum Collection for Mouawad, Heidi's lucky charm based on the clover shape, during a [media] preview at Theodore at The Grove in Los Angeles,California March 1, 2006. The jewelry line ranges from sterling silver accessories to Showbiz high-end 18-karat gold and diamond statement pieces.

Supermodel Heidi Klum displays a piece from the Heidi Klum Collection for Mouawad, Heidi?s lucky charm based on the clover shape, during a press preview at Theodore at The Grove in Los Angeles, California March 1, 2006. The jewelry line ranges from sterling silver accessories to high-end 18-karat gold and diamond statement pieces. REUTERS/Phil McCarten

Supermodel Heidi Klum poses for photos beside the Heidi Klum Collection for Mouawad, Heidi?s lucky charm based on the clover shape, during a press preview at Theodore at The Grove in Los Angeles, California March 1, 2006. The jewelry line ranges from sterling silver accessories to high-end 18-karat gold and diamond statement pieces. REUTERS/Phil McCarten

Supermodel Heidi Klum displays a piece from the Heidi Klum Collection for Mouawad, Heidi?s lucky charm based on the clover shape, during a press preview at Theodore at The Grove in Los Angeles,California March 1, 2006. The jewelry line ranges from sterling silver accessories to high-end 18-karat gold and diamond statement pieces. REUTERS/Phil McCarten

Supermodel Heidi Klum displays a piece from the Heidi Klum Collection for Mouawad, Heidi?s lucky charm based on the clover shape, during a press preview at Theodore at The Grove in Los Angeles,California March 1, 2006. The jewelry line ranges from sterling silver accessories to high-end 18-karat gold and diamond statement pieces. REUTERS/Phil McCarten

Supermodel Heidi Klum holds a piece from the Heidi Klum Collection for Mouawad, Heidi?s lucky charm based on the clover shape, during a press preview at Theodore at The Grove in Los Angeles,California March 1, 2006. The jewelry line ranges from sterling silver accessories to high-end 18-karat gold and diamond statement pieces. REUTERS/Phil McCarten

Supermodel Heidi Klum wears a piece of jewelry from the Heidi Klum Collection for Mouawad during a press preview at Theodore at The Grove in Los Angeles, California March 1, 2006. The jewelry line ranges from sterling silver accessories to high-end 18-karat gold and diamond statement pieces. REUTERS/Phil McCarten

Supermodel Heidi Klum holds a piece from the Heidi Klum Collection for Mouawad, Heidi?s lucky charm based on the clover shape during a press preview at Theodore at The Grove in Los Angeles,California March 1, 2006. The jewelry line ranges from sterling silver accessories to high-end 18-karat gold and diamond statement pieces. REUTERS/Phil McCarten

Supermodel Heidi Klum holds a piece from the Heidi Klum Collection for Mouawad, Heidi?s lucky charm based on the clover shape, during a media preview at Theodore at The Grove in Los Angeles,California March 1, 2006. The jewelry line ranges from sterling silver accessories to high-end 18-karat gold and diamond statement pieces. REUTERS/Phil McCarten

Supermodel Heidi Klum displays a piece from the Heidi Klum Collection for Mouawad during a media preview at Theodore at The Grove in Los Angeles, California March 1, 2006. The jewelry line ranges from sterling silver accessories to high-end 18-karat gold and diamond statement pieces. REUTERS/Phil McCarten

Members of the Sugababes, Amelle Berrabah (L), Keisha Buchanan (C) and Heidi Range, arrive for the Elle Style Awards at the Atlantis Gallery in east London February 20, 2006.

Members of the Sugababes, Amelle Berrabah (L), Keisha Buchanan (C) and Heidi Range, arrive for the Elle Style Awards at the Atlantis Gallery in east London February 20, 2006. REUTERS/Eddie Keogh

Members of the Sugababes, Amelle Berrabah (L), Keisha Buchanan (C) and Heidi Range, arrive for the Elle Style Awards at the Atlantis Gallery in east London February 20, 2006. REUTERS/Eddie Keogh

British singers (L-R) Heidi Range, Amelle Berrabah, Keisha Buchanan of the Sugababes arrive for the Brit Awards at the Earls Court Arena in central London, February 15, 2006.

British singers (L-R) Heidi Range, Amelle Berrabah, Keisha Buchanan of the Sugababes arrive for the Brit Awards at the Earls Court Arena in central London, February 15, 2006. REUTERS/Mike Finn-Kelcey

British singers (L-R) Heidi Range, Amelle Berrabah, Keisha Buchanan of the Sugababes arrive for the Brit Awards at the Earls Court Arena in central London, February 15, 2006. REUTERS/Mike Finn-Kelcey

Heidi Range (L) and Keisha Buchanan of the Sugababes perform at the 2005 Nobel Peace Prize Concert in Oslo December 11, 2005. The concert paid homage to this year's Nobel Peace Prize laureate Mohamed ElBaradei, director general of the International Atomic Energy Agency (IAEA). The IAEA and ElBaradei won the prize for their efforts to limit the spread of atomic weapons. REUTERS/Alex Grimm

Heidi Range (L) and Keisha Buchanan of the Sugababes perform at the 2005 Nobel Peace Prize Concert in Oslo December 11, 2005. The concert paid homage to this year's Nobel Peace Prize laureate Mohamed ElBaradei, director general of the International Atomic Energy Agency (IAEA). The IAEA and ElBaradei won the prize for their efforts to limit the spread of atomic weapons. REUTERS/ Alex Grimm

Members of British girl band Sugababes, Heidi Range (L), Mutya Buena (C) and Keisha Buchanan, pose for photographers at the MTV Europe Music Awards 2005 at Lisbon's Atlantic Pavilion November 3, 2005. REUTERS/Nacho Doce

British pop act the Sugababes (L-R) Keisha Buchanan, Heidi Range and
Mutya Buena win Best Dance Act at the 2003 Brit Awards in London,
February 20, 2003. Pop stars including Britain's Ms Dynamite seized the
chance on Thursday to add their melodious voices to the anti-war
clamour in Britain, at the Brits, the annual Oscar ceremony for
Britain's music business. REUTERS/Toby Melville

TM/ASA

British pop act the Sugababes (L-R) Heidi Range, Mutya Buena and Keisha
Buchanan arrive for the 2003 Brit Awards in London, February 20, 2003.
REUTERS/Stephen Hird

MD

British pop group the Sugababes (L-R) Heidi Range, Keisha Buchanan and Mutya Buena arrive at the Brit Awards in London, February 20, 2002. The awards are the British music industry's biggest annual event.

British pop group the Sugababes (L-R) Heidi Range, Keisha Buchanan and
Mutya Buena arrive at the Brit Awards in London, February 20, 2002. The
awards are the British music industry's biggest annual event.
REUTERS/Stephen Hird

ASA/AA

British pop group the Sugababes (L-R) Heidi Range, Keisha Buchanan and
Mutya Buena arrive at the Brit Awards in London, February 20, 2002. The
awards are the British music industry's biggest annual event.
REUTERS/Stephen Hird

ASA/CLH/