Ricki-Lee Dawn Coulter (born 10 November 1985), also known mononymously as Ricki-Lee, is an Australian singer, songwriter, and television and radio presenter. She was born in Auckland, New Zealand, grew up on the Gold Coast, Queensland, and began performing at age 15. Coulter rose to fame in 2004 on the second season of Australian Idol and placed seventh in the competition. She subsequently signed with Australian independent label Shock Records, and released her self-titled debut album Ricki-Lee (2005), which produced the top-ten hits "Hell No!" and "Sunshine". Both singles were certified gold by the Australian Recording Industry Association (ARIA). The following year, Coulter became a member of the Australian pop girl group Young Divas, before leaving in early 2007 to resume her solo career.

Coulter's second album Brand New Day (2007) was certified gold and included the top-ten singles "Love Is All Around", "Can't Sing a Different Song" and "Can't Touch It", the latter was certified platinum. Coulter's first compilation album The Singles was released in 2008, featuring the top-twenty single "Wiggle It". In 2011, she ended her contract with Shock Records and signed with major label EMI Music Australia. Coulter's third album Fear & Freedom (2012) debuted at number seven on the ARIA Albums Chart and became her first top-ten album. It included the top-twenty hits "Raining Diamonds" and "Do It Like That", which were both certified platinum. "Do It Like That" was also a top-ten hit on the Billboard Japan Hot 100 chart and earned Coulter her first ARIA Music Award nomination for Song of the Year. Her fourth album Dance in the Rain (2014) became her second top-fifteen album, and featured the top-forty single "All We Need Is Love". Coulter independently released her fifth album On My Own in 2024, which would become her highest peaking album on the ARIA Albums Chart to date.

Coulter has branched out from recording music, pursuing careers in television and radio. She returned to Australian Idol for seasons six and seven, as a presenter and reporter alongside James Mathison and Andrew Günsberg. The role earned her a nomination at the 2009 Logie Awards for Most Popular New Female Talent. She was also a full-time radio presenter for Sydney's Nova 96.9 breakfast show in 2010, alongside Merrick Watts and Scott Dooley. In 2019, Coulter became the host of Australia's Got Talent. Coulter was announced in September 2022 as the co-host of the 2023 Seven Network reboot of Australian Idol alongside Scott Tweedie.