But the foam finger, which was apparently degraded according to its inventor, isn't just a prop from Robin Thicke's "Blurred Lines" video. Oh no. The foam finger, it turns out, has much deeper roots for Cyrus.
Early Wednesday morning, the singer posted a Vine video to Twitter that was directed at Jason Earles, the actor who played her brother on "Hannah Montana," and proved just how far back she and that foam finger go:
— Jason Earles (@DukeofEarles) September 25, 2013