Antique disbanded in 2003 and Paparizou signed a solo recording contract with Sony Music Greece, releasing the chart-topping debut single "Anapandites Kliseis" and album Protereotita (2004), with emphasis on laïko, pop, and dance sounds, but at first had modest sales.
In 2005, she represented Greece in the Eurovision Song Contest with the song "My Number One", which she won.
She continues to call herself Helena on all non-Greek promotions and releases, During this time, she was appointed a Greek Ministry of Tourism ambassador by Dimitris Avramopoulos, the Minister of Tourism.
He spent €500,000 in her campaign to promote Greece through merchandise and advertisements that aired throughout Europe.
Paparizou's final release before she left Sony Music, Greatest Hits & More, was released in 2011 and included "Baby It's Over", her biggest hit until 2016., born 31 January 1982), usually referred to abroad as Helena Paparizou, is a Greek Swedish singer, songwriter and television personality.Born and raised in Sweden to Greek parents, she enrolled in various arts schools before launching a career in Sweden in 1999 as a member of the laïko (Greek folk music) and Eurodance duo Antique, who participated in the Eurovision Song Contest 2001 and afterwards became popular in Greece.Paparizou said the split was not permanent, but was a mutual decision to try other things, with plans of a reunion in mind.Later in 2004, the video of "Anapandites Kliseis" won her a MAD Video Music Award for Best Dance Video, and was nominated for Best Video by a New Artist.