The actress and singer recreated Allison Hayes' pose from the 1958 film's iconic poster in an Instagram post she made Thursday night

Jennifer Lopez posed in front of a famous movie poster while in London to promote her new movie "Unstoppable," photos show.

After taking to the red carpet in a ladylike Dior ensemble yesterday, Jennifer Lopez couldn’t help but get a little “loud” later that evening. The singer and actress was spotted returning to her London hotel in head-to-toe cheetah print—a far cry from the demure coat dress and top hat she wore earlier in the day.