Portia de Rossi Heads to Scandal for "Top-Secret Arc"

Portia de Rossi has booked a multi-episode arc on Scandal's fourth season, TVGuide.com has confirmed.

The news of the Arrested Development star's casting was announced by de Rossi's wife Ellen DeGeneres. "So annoying when people brag on twitter & that's why I'm not tweeting that Portia just signed on to do a top secret arc on 'Scandal'. Oops," the talk show host tweeted Wednesday afternoon.

Scandal's Shonda Rhimes teases Season 4

Any theories as to who de Rossi might be playing? Scandal returns to ABC on Thursday, Sept. 25 at 9/8c.

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