"Liar" is a song by Australian singer Silia Kapsis, released on 29 February 2024 by K2ID Productions.

[4] Originally, the song was to be submitted to the Russian selection in 2022, but the country was excluded from the contest following its invasion of Ukraine.

[7] Kapsis was officially announced as Cyprus' representative for the Eurovision Song Contest 2024 on 25 September.

[12] She also gave away two tickets to the Eurovision grand final via a competition that featured the song prominently.

During the allocation draw on 30 January 2024, Cyprus was drawn to compete in the first semi-final, performing in the first half of the show.

[25] Kapsis performed with four other dancers, including Theo B. Koefoed, Thomas Hegnet, Sebastian Laurentius Nielsen, and Martin Daugaard.

[26] The Eurovision performance featured Kapsis wearing a white-coloured crop top and trousers, with a mixture of red and green LEDs serving as the background.

The song was performed 20th in the grand final, ahead of Armenia's Ladaniva and before Switzerland's Nemo Mettler.