Question: Più che puoi" ("As Much As You Can") is a duet by Italian singer Eros Ramazzotti and American singer-actress Cher, is an American singer and actress, sometimes referred to as who?
Context: Stilelibero ("Freestyle") is the eighth studio album by Italian pop/rock singer Eros Ramazzotti, released in 2001 on the BMG label.  The album, featuring three tracks produced by Trevor Horn and two by Rick Nowels, was recorded in a variety of locations in London, California and Italy.  "Stilelibero" topped the Italian albums chart, as did "Fuoco nel fuoco" the singles chart. " Più che puoi", a duet with Cher, also reached the Italian top 20. "Più che puoi" ("As Much As You Can") is a duet by Italian singer Eros Ramazzotti and American singer-actress Cher, released on July 3, 2001 by BMG International It was also the third single from Ramazzotti's eighth studio album, "Stilelibero". Bugiardo più che mai... più incosciente che mai... is an album by Italian singer Mina, released in 1969. "I Belong to You (Il Ritmo della Passione)" (English: "I Belong to You (The Rhythm of Passion)" ) is a duet by Italian singer Eros Ramazzotti and American singer Anastacia, released as the second single from Ramazzotti's eleventh studio album, "Calma apparente" (2005), and the third from Anastacia's first greatest hits album, "Pieces of a Dream" (2005).  It was met with commercial success in mainland Europe particularly German, peaking at number 1 and becoming the 9th biggest selling song of the year.  It also topped the singles charts in, Italy and Switzerland and charted inside the top five in several other countries. Ziana Zain is the eponymous second studio album from Malaysian pop artist Ziana Zain.  It was released in Malaysia in 1993.  For the album, Ziana reunited with composers M. Nasir, Saari Amri and Asmin Mudin as well as new composers such as Zuriani Khalid and Anuar.  The album features one Japanese song, "Chitose-Bashi", which was originally recorded by Mieko Nishijima.  The song previously appeared on the album "Asian Voices", a compilation album of popular Japanese songs.  The track, "Hadir Mu", was originally recorded by Italian singer Eros Ramazzotti as "Amarti è l'immenso per me" for his fifth studio album "In ogni senso".  It was translated into the Malay language and recorded by Ziana as a duet with Izzaka. Cher ( ; born Cherilyn Sarkisian; May 20, 1946) is an American singer and actress.  Sometimes referred to as the Goddess of Pop, she has been described as embodying female autonomy in a male-dominated industry.  She is known for her distinctive contralto singing voice and for having worked in numerous areas of entertainment, as well as adopting a variety of styles and appearances during her five-decade-long career. "Un'emozione per sempre" is a song recorded by Italian singer Eros Ramazzotti and released in May 2003 as the lead single from his studio album "9".  The song was written by Ramazzotti, Claudio Guidetti, Maurizio Fabrizio and Adelio Cogliati, and it was produced by Ramazzotti and Guidetti. "Più bella cosa" (] ; meaning "Fairer Thing") is an Italian language song written by singer Eros Ramazzotti, with Claudio Guidetti, Maurizio Fabrizio, Adelio Cogliati and performed by Ramazzotti in February 1996, as a first single and pre-release from his album "Dove c'è musica" ("Where There's Music") that came out on May 13 of that year. e² is a greatest hits album by the Italian singer Eros Ramazzotti, released in Europe and Latin America on 26 October 2007.  This is his fourteenth album (including live and compilation albums), and his second greatest hits album after "Eros" in 1997. Tutte storie is an album by Italian singer Eros Ramazzotti.  It was released by Sony BMG on August 10, 1993.  "Tutte storie", which has sold over 5 million, helped Ramazzotti get his contract with BMG International.
Answer: Goddess of Pop