The late actress died 50 years ago on Sunday. See Madonna, Mariah Carey and many other stars emulating her sexy style
"I knew I wouldn't be able to resist, eventually," Williams told the Daily Mail about taking on the role of Monroe in My Week with Marilyn. "Physically and vocally, everything about her is different from me. I've kind of gone to school and had teachers to help me understand Marilyn, so I could project an essence of her."