This March 2, 2014 file photo shows Lupita Nyong’o in a pale blue Prada dress at the Oscars in Los Angeles. Nyong’o, who won the Oscar for best supporting actress for “12 Years a Slave,” was able to keep her gown after the ceremony. This Feb. 24, 2019 file photo shows Glenn Close wearing a Carolina Herrera gown at the Oscars on Sunday, Feb. 24, 2019, at the Dolby Theatre in Los Angeles. What happens to the duds after a big awards night can be a peculiar affair that depends on the relationship a celebrity has with a designer. Close, who won the Oscar for best actress for “The Wife,” was able to keep her gown. This Feb. 23, 2000 file photo shows Jennifer Lopez in a Versace jungle dress of green silk chiffon at the 42nd Grammy Awards in Los Angeles. Prior to Lopez making the dress with the plunging neckline among the most famous of all time, it was a runway piece that had been featured in a Versace ad campaign and was worn by Geri Halliwell and Donatella, the latter to the 1999 Met Gala. NEW YORK — Remember the ethereal pale blue Prada dress Lupita Nyong’o wore the night she won an Oscar in 2014? How about Glenn Close’s moment in gold at last year’s Oscars in shimmering Carolina H...