But Allison Williams gave her raunchiest performance to date on Sundays episode of the HBO show as she stripped off for a sex scene .
Allison Williams strips off for X-rated scene with Alex Karpovsky as she puts on a VERY raunchy display in Girls.
Allison Williams strips off for X-rated scene with Alex Karpovsky as she puts on a VERY raunchy display in Girls. But Allison Williams gave her raunchiest .
Actress Allison Williams has been playing the role of Marnie Michaels for the last five seasons of HBOs hit series, “Girls.” Now, in its final season, Williams talks .