Background: Gisele Caroline Bundchen (; Portuguese pronunciation: [Zi'zeli karo'lini 'bitSej], German pronunciation: [gi'zel@ kaRo'li:n@ 'bYntcn]; born 20 July 1980) is a Brazilian supermodel and actress. Since 2004, Bundchen has been among the highest-paid models in the world, and as of 2007 was the 16th richest woman in the entertainment industry. In 2012, she placed first on the Forbes top-earning models list.
Context: Bundchen appeared on the book covers of Mario de Janeiro by Mario Testino and a Russell James retrospective. Also that year Time said she was "one of the few runway models whom straight men can name". For spring 2000 fashion week she opened Marc Jacobs, Michael Kors, Dolce & Gabbana, Christian Dior, and Valentino shows in New York, Milan and Paris. From 1998-2003, Bundchen was in every Dolce & Gabbana fashion campaign, totaling 11 consecutive campaigns with the brand. In 2006-2009, she returned as the face of the brand's fragrance, in a campaign titled "Dolce & Gabbana The One".  In 2000, Bundchen wore the most expensive Victoria's Secret Fantasy bra of all time, the "Red Hot Fantasy Bra", worth $15 million and listed in Guinness World Records as the most expensive lingerie ever created. In February 2001, her Got Milk? ad campaign debuted in the 2001 Sports Illustrated Swimsuit Issue.  Photographed by Steven Meisel, she was presented on the September 2004 cover of American Vogue as one of the "Models of the Moment". In 2004, Bundchen co-starred with Queen Latifah and Jimmy Fallon in the 2004 remake of Taxi. In 2005, she was chosen to wear the Victoria's Secret Fantasy Bra again, the Sexy Splendor Fantasy Bra. At the time, it was the second-most expensive bra ever made, valued at $12.5 million. In its December 2005 issue, New York magazine list Bundchen as No. 43 in its list of 123 reasons to love New York City.  In 2006, she played Serena, a minor character in The Devil Wears Prada. In February 2007, Bundchen returned to the Milan runway by opening the Dolce & Gabbana's show. She was chosen by Time magazine in 2007 as one of the 100 Most Influential People in the World. In September 2007, Bundchen was featured on the cover of Vanity Fair's style issue, photographed by Mario Testino. The issue was one of the bestsellers that year.
Question: When was her acting debut?. Whats the answer?
In 2006, she played Serena, a minor character in The Devil Wears Prada.