She is known for her runway to reality style, but Olivia Palermo proved on Tuesday night she is also a thrifty fashionista wearing a pair of leather pants on the red carpet after wearing them all day around New York.'If there's a piece of jewelry or a bag or a shirt that I love, I will wear it until I can't wear it anymore,' Olivia, who returned from the Elle Style Awards in Instanbul this week, told the magazine.