Which political party does Ambiga represent?

Take a quick look at the photograph of the poster representing Pakatan leaders, ie PKR, DAP and PAS.

 Stumped? Yep. Many were shocked by the naked political ambitions of Ambiga as pictured by the billboard. I was told that this poster, pasted on billboards around Selangor, has been ordered to be brought down after the Pakatan chaps realized that they had unnecessarily exposed Ambiga ...  RockyBru