NEW YORK (Reuters) - Costumes, gowns and jewelry worn by Madonna in films such as "Evita" and "A League of Their Own" and in the "Material Girl" music video will be the highlights of a celebrity auction next month in Beverly Hills, Julien's Auctions said on Tuesday."This is the biggest collection of Madonna items ever to come to auction at one time," said Martin Nolan, the executive director of the auction house. Among the stand-out lots is the strapless, evening gown, mink cape and jewelry Madonna wore in her "Material Girl" music video, which together could sell for at much as $70,000. "We have that particular outfit," said Nolan. In addition to the beaded, ivory gown from "Evita," Julien's is selling 38 costumes the pop diva wore from the 85 that were featured in the film. Madonna was named the highest-earning celebrity in 2013 by Forbes magazine. She raked in an estimated $125 million from June 2012 to June 2013, thanks to her worldwide MNDA Tour, merchandising sales, her fragrance and her Material Girl clothing line. The Madonna collection, which is expected to attract collectors, museums and investors, is part of Julien's "Icons & Idols: Rock 'n' Roll," which will include more than 700 lots, representing 40 artists such a pop singers Katy Perry, Beyonce and Lady Gaga, and country-western star Naomi Judd.