Heidi Klum on the runway in 1997, her first year as a Victoria's Secret model.
Ron Galella, Ltd., WireImage / Getty Images
Victoria's Secret models Stephanie Seymour, Daniela Pestova, Karen Mulder, Tyra Banks and Heidi Klum pose for a photo.
Marion Curtis, DMI, Time Life Pictures / Getty Images
Klum first donned her Angel wings in 1999, when she became an official spokeswoman for Victoria's Secret. Here, Heidi Klum wears a lace demi bra with matching bikini at the Victoria's Secret fashion show on February 3 in New York City. The show marked the first live webcast of a Victoria's Secret fashion show.
Jeff Christensen, Reuters / Landov
Klum backstage at Victoria's Secret fashion show.
Marion Curtis, DMI, Time Life Pictures / Getty Images
Klum wears a black sequined corset and a black Victoria's Secret second skin satin string bikini at the Bryant Park fashion show.
Kevin Mazur, WireImage / Getty Images
Karolina Kurkova, Tyra Banks, Heidi Klum, Gisele Bundchen, and Adriana Lima on the runway at the Victoria's Secret fashion show on, Nov. 13, 2003 in New York
AP Photo
Klum blows a kiss to her husband Seal as she walks down the runway during the Victoria's Secret Fashion show in New York, Nov. 9, 2005.
Jeff Christensen / AP Photo
Heidi Klum and Tyra Banks backstage before the Victoria's Secret Fashion show in New York November 9, 2005.
CBS / Landov
Klum, pregnant with her second child and still hard at work, poses with Selita Ebanks, Alessandra Ambrosio, Izabel Goulart and Karolina Kurkova at the Victoria's Secret Very Sexy Makeup Launch held on July 31, 2006 in Los Angeles, California.
Mark Davis / Getty Images
Victoria's Secret models receive an 'Award Of Excellence' and a star on the Hollywood Walk of Fame, marking the 25th Anniversary of Victoria's Secret, November 2007.
Kevork Djansezian / AP Photo
Klum walks down the runway at the Victoria's Secret Fashion Show on November 15, 2007.
Cliff Lipson, CBS / Landov
Seal and model Heidi Klum perform during the Victoria's Secret fashion show at the Kodak Theatre, Nov. 15, 2007 in Hollywood.
Evan Agostini / AP Photo
Klum walks the runway at the Victoria's Secret fashion show, Nov. 15, 2007 in Los Angeles.
Klum participates in a Victoria's Secret fitting on Saturday, Nov. 1, 2008 in New York.
Evan Agostini / AP Photo
Victoria's Secret models, from left, Selita Ebanks, Adriana Lima, Heidi Klum and Alessandra Ambrosio arrive by yacht to the Fontainebleau Hotel in Miami Beach, Friday, Nov. 14, 2008.
Jeffrey Boan / AP Photo
From left, Selita Ebanks, Marisa Miller, Heidi Klum, Doutzen Kroes, and Alessandra Ambrosio appear on the runway together during the finale of the Victoria's Secret Fashion Show at the Lexington Armory Thursday, Nov. 19, 2009 in New York.
Jason DeCrow / AP Photo
