"The Twilight Saga" star will, according to Vogue, represent the iconic French fashion house's 2013 Métiers d'Art Paris-Dallas collection campaign, to be shot and helmed by maestro Karl Lagerfeld.
The country-western themed pre-fall campaign is set for May 2014 release and comes on the heels of the 23-year-old's shots for Balenciaga's Florabotanica campaign.
Lagerfeld, 80, also debuted his latest film, "The Return," which chronicles brand founder Gabrielle "Coco" Chanel's reopening of her Paris couture house following World War II, at the brand's Metiers d'Art show at Dallas' Fair Park on Tuesday.
Stewart, who met Lagerfeld during a January 2012 photo shoot in Paris, has been a staple at the designer's epic-scaled fashion shows in Paris and was among many celebrity guests to attend. The actress wore orange leather trousers with a cropped long-sleeved top from the brand's spring-summer 2014 show, Vogue said.
The event included Vogue editor Anna Wintour, editor-at-large Andre Leon Talley and actresses Lily Collins and
On Wednesday, Lagerfeld received department store Neiman Marcus' Award for Distinguished Service in the Field of Fashion -- which had been awarded to Coco Chanel in 1957 -- at the Neiman Marcus flagship store in Dallas.
"Everything is bigger in Texas, and Karl has finally found a place that thinks and acts on the epic scale that he does," Wintour said during the ceremony. "Nowhere is his grand vision more evident than in his legendary fashion shows."
Follow Ministry of Gossip @LATcelebs.