Sivan Klein joined the Miss Israel Pageant in 2003, in which she won the most-coveted title Israel's Beauty Queen, replacing last year's winner Yamit Har-Noy. She won the rights to represent Israel at the Miss Universe 2003 pageant in Panama.
Miss Universe 2003
Sivan Klein flew to Panama for the Miss Universe 2003 pageant. She was a bet to be in the Top 15. However, she did not make it into the cut. She was 19-years-old when she represented Israel in the pageant.