Sheena Shirley Easton (née Orr; born 27 April 1959) is a Scottish singer and actress who achieved recognition in an episode of the reality television series The Big Time: Pop Singer, which recorded her attempts to gain a record deal and her eventual signing with the EMI label. Her first two singles, "Modern Girl" and "9 to 5", both entered the top ten of the UK Singles Chart simultaneously. She became one of the most successful British female recording artists of the 1980s. Easton became the first and only recording artist in Billboard history to have a top five hit on each of Billboard's primary singles charts: "Morning Train (Nine to Five)" (Pop and Adult Contemporary), "We've Got Tonight" with Kenny Rogers (Country and Adult Contemporary) and "Sugar Walls" (R&B and Dance).

A six-time Grammy Award nominee, Easton is a two-time Grammy Award winner – Best New Artist in 1982 and Best Mexican-American Performance in 1985 for her duet with Mexican singer Luis Miguel on the 1984 single "Me Gustas Tal Como Eres". Her discography includes fifteen studio albums, fifty-five singles and twenty consecutive US singles, including fifteen top forty hits, seven top tens and one number-one single on the Billboard Hot 100 between 1981 and 1991. She has received five RIAA-certified Gold albums and one Platinum album in the United States, and in Canada, she has been awarded three Gold albums and two Platinum albums. With a total of twenty-five top forty singles internationally, her combined records sales stand at over 20 million records worldwide.

Easton's other hit singles include the James Bond theme "For Your Eyes Only", "You Could Have Been with Me", "Telefone (Long Distance Love Affair)", "Almost Over You", "Strut", "U Got the Look" and "The Arms of Orion" with Prince, "The Lover in Me" and "What Comes Naturally". She has worked with prominent singers, writers and producers, such as Prince, Christopher Neil, Kenny Rogers, David Foster, Luis Miguel, L.A. Reid, Babyface, Patrice Rushen and Nile Rodgers.