Sebastian Gabriel Sauvé (born August 19, 1987) is an American male model.
 Born in Royal Oak, Michigan, he began his modeling career in 2010, after being scouted during his stay in Los Angeles.
 He first signed a modeling contract with Premier Model Management in London.
 Since then, he has worked for many fashion designers, including Calvin Klein, Jeremy Scott, Versace or Givenchy and appeared in magazines such as "Attitude", "GQ" and "Esquire".
 He is one of the most successful male models and was ranked one of the Top 50 models by Models.com.
Amy Lemons is an American fashion model and model advocate.
 As a straight sized (sizes typically used in editorial fashion) model, she rose to fame quickly, by landing the cover of Italian Vogue at age 14.
 Her ascent in the modeling industry included shooting the covers of "Vogue", "Harpers Bazaar", "Elle" and "Marie Claire".
 She also landed campaigns for Abercrombie and Fitch, Tommy Hilfiger, Calvin Klein, Jil Sander and Louis Vuitton.
 After a brief hiatus to earn her college degree from UCLA, Amy came back to the modeling industry as a fashion model and began speaking out about the industry's "zero-sized standard" and healthy self-esteem for young women.
Silent Models New York, founded in 2008, is a boutique modeling agency based in New York.
 Recently named one of the top modeling agencies in New York, Silent Models New York represents notable models Line Brems, Freja Jeppesen, Emma Stern, and Camilla Christensen.
 Silent's models have appeared in editorials for "Vogue Italia", "Vogue Paris", "032c", French "Revue de Modes", "Harper's Bazaar", "Vs." and others.
 The agency's models have also appeared in campaigns for Calvin Klein, Gucci, Prada, Miu Miu, Ralph Lauren, Tory Burch, Juicy Couture and other top designers and fashion houses.
Lee Williams (born 3 April 1974) is a Welsh actor and former model.
 Williams was the face of French Connection TV, Calvin Klein jeans, Sisley, and has worked as a model for designers such as Vivienne Westwood and Calvin Klein.
Ruby Rose Aldridge (born August 26, 1991) is an American fashion model and singer.
 Over the years of 2008-2012, Ruby Aldridge was the "face" of the brands Coach, Marc by Marc Jacobs, Valentino, and of ck one [Calvin Klein] cosmetics.
 During the 2011 fall fashion week, Aldridge opened four fashion shows, which placed her, at that time, 7th in terms of the number of these appearances in a given fashion week.
 As of this date, she has walked in nearly 200 fashion shows, including for such top designers as Alberta Ferretti, Missoni, Sonia Rykiel, Valentino, Dolce & Gabbana, Marc Jacobs, and others, and has appeared on the covers of "Harper's Bazaar", "L'Express Styles", and "L'Officiel", and in major magazine spreads in "The New York Times", "Vanity Fair", and in the "Vogue" editions of several countries (e.g., Italy, the U.S., China, Russia, and Latin America).
 Ruby Aldridge is the daughter of former Playboy playmate Laura Lyons and artist and graphic designer Alan Aldridge, and younger sister of fashion model Lily Aldridge.
Angela Lindvall (born January 14, 1979) is an American supermodel and actress.
 Lindvall was discovered by an IMG scout when she was 14 years old, and immediately signed with IMG New York.
 But she took a break from modeling and returned when she was 17 years old.
 She featured on the cover of Italian Vogue in 1997, photographed by Steven Meisel.
 She has been featured on so many top magazine covers in the late 1990s and the early 2000s, such as Vogue, Elle, Harper's Bazaar, Maria Claire, Numero, W, i-D, V and so on.
 And during the peak of her long career, she is always the world's top designers' favourite, such as Karl Lagerfeld, Miuccia Prada, Stella McCartney.
 She was Prada Girl and Chanel Girl.
 She has worked as the face of Chanel, Gucci, Valentino, Prada, Calvin Klein, Miu Miu, Dior, Louis Vuitton, Hermes, Versace, DKNY, Roberto Cavalli, Fendi, Chole, Missoni, Jil Sander, Jimmy Choo.
 As an actress, she has appeared in several films, including "CQ" in 2001 and "Kiss Kiss Bang Bang" in 2005 and "Small Apartments" in 2010.
 She was the host of the fashion reality series "Project Runway: All Stars", an extension of the popular series "Project Runway".
Justin Willman Chambers (born July 11, 1970) is an American actor and former fashion model.
 Born in Ohio he went to Southeastern High School, South Charleston, Ohio and later studied acting at New York's HB Studio.
 Chambers began modeling after being approached by a modeling scout in Paris.
 He went on to represent fashion brands including Calvin Klein, Armani, and Dolce & Gabbana.
Calvin Klein Inc. is an American fashion house founded by the fashion designer Calvin Klein and childhood friend Barry K. Schwartz.
 The company is headquartered in Midtown Manhattan, New York City and is currently owned by PVH.
Project Runway All Stars is a spin-off of "Project Runway", featuring returning designers competing for grand prizes.
 Angela Lindvall and Carolyn Murphy have each hosted one season before Alyssa Milano became the staple host of the past three seasons.
 As on "Project Runway", the designers are judged by the host, two permanent judges and guest judges throughout the season.
 The permanent "All Stars" judges have been designers Georgina Chapman and Isaac Mizrahi.
 Joanna Coles mentored the designers throughout seasons one and two, until Zanna Roberts Rassi replaced her through the past three seasons.
Victoria Bartlett is a British-born designer and stylist.
 She graduated from the London College of Fashion.
 Her career began in design, illustration, and brand consultancy for a prestigious portfolio of brands and designers, including Miu Miu, Versace, DKNY, Moncler, Lacroix, Calvin Klein, and Theory.
 Bartlett gained accolades styling for Björk, Madonna, Scarlett Johansson, David Bowie, Chloe Sevigney, Pharrell Williams, and Venus Williams.
 She was Fashion Editor at "Allure" magazine prior to becoming Fashion Director for "Interview" and "BIG Magazine".
 She has created fashion editorials for "i-D", "Numéro", "V", French, Italian, and L'Uomo Vogue.
 In the Fall of 2003, Victoria branched out on her own as the sole designer and originator of VPL.
 This award-winning line filled a niche between lingerie and sportswear with utilitarian, stylish garments that were meant to be mixed, matched, and layered.
 Merging comfort, functionality, and fashion, VPL positioned itself well as an everyday uniform for a sophisticated, multi-faced clientele.
 The line grew in the high-end contemporary collection, and in 2013 it extended into fashion active with the addition of swim, shoes and accessories, with collections sold in more than 25 countries with hundreds of retail partners and a flagship store in SOHO.

Question: In addition to modeling for a number of designers like Calvin Klein, Angela Lindvall also hosted which fashion reality series? 
Answer: "Project Runway: All Stars"