Vasiliki Karagiorgos (born in Darwin, Northern Territory) simply known for her stage name Vassy is an Australian singer-songwriter. Vassy, whose parents are both Greek immigrants (from Florina), was discovered in 2003 after winning Australian radio station Triple J's Unearthed talent contest. Her single "We Are Young" reached the top of Billboard's Hot Dance Club Songs.

In 2014, she featured on the song "Bad" by David Guetta and Showtek, which has already reached number 1 in many countries.