Rini Wulandari (born April 28, 1990 in Medan, North Sumatra) is an Indonesian pop singer. On July 28, 2007, she won the fourth season of the reality television Indonesian Idol, making her the second female winner. At 17, she is also the youngest winner in Indonesian Idol history. Rini auditioned for Idol in her hometown of Medan on the second day auditions. On May 5, 2007, Rini made it into the top twelve of Indonesian Idol or also known Spectacular rounds.