Regina "Reggie" Sorensen (née Bird; born 19 March 1974) is an Australian television personality best known for being a contestant on and winning the third and fourteenth seasons of Big Brother Australia in 2003 and 2022 respectively, and is the only contestent to win in the series twice. Small in stature with an unusual nasal intonation, she earned public admiration with her down-to-earth charm, strong work ethic, and naivety. She was the first Big Brother contestant to win twice (2003 and 2022 respectively). "Go Reggie" bumper stickers were a big hit in Tasmania in 2003.