Rumer Willis will guest star on the 100th episode of CSI: NY, airing November 19, Entertainment Weekly reported on Tuesday.

The 20-year-old burgeoning actress, who hit the big screen in the Summer comedy The House Bunny, will portray a character named Mac Taylor – the same as that of lead actor Gary Sinise-on an episode featuring serial killer attempting to murder victims named Mac Taylor.

Hip-hop star Nelly returns as a confidential police informant.

CSI: NY is the second television cameo for Rumer, who is also scheduled to appear on the Lifetime series Army Wives next month.