Sophie Charlene Akland Monk (born 14 December 1979) is a British-born Australian singer, actress, television personality, and model. She was a member of the pop girl group Bardot, winners of the first season of Popstars Australia in 2000. After the group disbanded in 2002, Monk released her debut solo studio album, Calendar Girl (2003). She also ventured into acting with roles in the films Date Movie (2006), Click (2006), Sex and Death 101 (2007), The Hills Run Red (2009), and Spring Breakdown (2009).
On reality television, Monk was the winner of the fourth season of The Celebrity Apprentice Australia in 2015, and in 2016, she was a judge on Australia's Got Talent. In 2017, she starred on the third season of The Bachelorette Australia, and the following year, she became the host of Love Island Australia. In 2021, Monk hosted Beauty and the Geek Australia and became a panelist on The Hundred with Andy Lee.