Alexia Aștelian (born 27 May 2003, in Mureș County, Romania), known by the stage name Alexia, is a Romanian singer. She is better known for, among others, the hit "Interstelar", which topped the UPFR charts for three weeks in July-August 2023. In February 2016, at the age of 12, she participated in the sixth season of Romanian reality competition television series Next Star.