It was teased that 'Scandal' Season 4 episode 16 will be quite interesting episode, as Olivia comes face to face with some silly chick that has some very dirty secrets. Guest stars include: Lena Dunham ("Girls") and Portia de Rossi ("Arrested Development").

According to HWHILLS, that the upcoming episode 16 of 'Scandal' Season 4 titled "It's Good to be Kink" will be an interesting one as Olivia will be dealing with a geeky woman that is threatening to take down Washington with her book exposing some big sex secrets of most elite from DC.

Episode 16 'It's Good to be Kink' synopsis reads like this, "Olivia is going to spring into action when she hears of a woman intending to expose sex secrets of some of DC's most elite. In the meantime, Elizabeth is going to fear that Mellie's sister could be detrimental to their political aspirations."

Speaking of the scheming lady, it was Lena Dunham who plays the part. In a sneak peek video posted on Youtube, it shows some scenes between the comical lady and Olivia.

"Oh my God. You are Olivia Pope," Lena Dunham in character portraying as if shocked. Then the video cut to a serious looking Dumham asking Pope, "Hold on. Am I in trouble?"

Almost at the end of the video, Olivia furiously told her, "I can destroy you. I always get it done."

Aside from Lena Dunham, it was also told that Portia de Rossi will appear in this episode. But her role is yet to be revealed.

It was also rumored that an old gladiator Stephen Finch will make a comeback. Fans wondering if he will be staying permanently on the show, following actor Henry Ian Cusick's guest role at the end of Episode 13, 'No More Blood'.

The episode was written by Matt Byrne, and it was directed by Paul McCrane.

Fans, are you looking forward to Lena Dunham's debut on 'Scandal'? Perhaps, you really have to check her out this Thursday, March 19 at 8pm on ABC.