Baby sis is all grown up!!
Elizabeth Olsen has just signed on to join the cast of Kill Your Darlings to play Edie Parker.
The Daniel Radcliffe movie is all about Allen Ginsburg. Hey, remember that time his lover committed murder and dumped the body in the Hudson river!?!
Uuhhm yeah, this movie is gonna be good!!
We bet Mary-Kate and Ashley are already super proud.
[Image via C.Smith/WENN.]