Dana International Cellcom Dana campaigned for Kadima chairwoman Tzipi Livni shortly before 2009 legislative elections in Israel. At a women's political rally in Jerusalem Dana performed a disco song alongside Livni onstage, announcing "I now formally invite you to the diva sisterhood." In April 2009, Dana performed in the opening concert of Tel Aviv-Yafo Centennial Year. She performed a cover version of Danny Robas' song "Lo Nirdemet Tel Aviv" (Tel Aviv Doesn't Fall Asleep) in front of 250,000 people. Also in 2009, Dana International joined the 7th season of "Kokhav Nolad" (the Israeli version of "Pop Idol") as a judge, also joining
Tzipi Livni Livni and Shaul Mofaz emerged as the main rivals for the leadership. Livni won the Kadima leadership election by a margin of just 431 votes (1%). Palestinian peace negotiators were reportedly pleased with the result. As the new leader of the ruling party, Livni became prime-minister designate. Upon declaring victory, she stated "the national responsibility (bestowed) by the public brings me to approach this job with great reverence." On 21 September 2008, Olmert formally resigned in a letter submitted to president Shimon Peres, and the following day Peres formally asked Livni to form a new government. Livni faced tough negotiations