Ahhatt was born in Kiev, in the Ukrainian Soviet Socialist Republic. She started to take violin classes at the age of five. She graduated from the National Music Academy in Kiev. She then studied at the Music Academy in Nice, France. She regularly performed in concert halls in Germany, France, Italy and other European countries. She was the soloist of the Ukrainian National Philharmonic. In 1999, she released her debut album "Homo Novus", featuring modern instrumental music. In 2000 a nationwide promo tour of "Homo Novus" took place. Same year, Assia Ahhatt signed a contract with EMI records (Poland). Later Assia signed a contract with Universal Poland, and recorded a song "Where are you now?" with Polish-born Hollywood actor Bogusław Linda. Linda also starred in the video for the above-mentioned song, which instantly became a hit in several European countries. Assia began her career as a singer in 2002. The same year, Assia Ahhatt was signed to a record label, Universal Ukrainian Records. She released an album "Tebe, Anais" (; For You, Anais).