Jennifer Lopez really loves her short dresses! The American Idol judge wore a super-sexy dress that showed off her legs for a taping of the show this week. The singer paired her tweed look with thigh-high black suede boots and Jacob & Co. diamond bracelets. Lopez shared a photo of her outfit in Instagram split with shots of her on the Idol stage and at the judges’ table with Keith Urban and Harry Connick Jr. She also shared another photo of her posing with Urban and Kevin Bacon backstage, writing, “Look who just stopped by #idol #kevinbacon @keithurban.”