"C'est la Vie" is a song by Irish girl group B*Witched. It served as their debut single and the lead single from their self-titled debut studio album (1998). Written by band members Edele Lynch, Keavy Lynch, Lindsay Armaou, and Sinéad O'Carroll, Ray "Madman" Hedges, Martin Brannigan and Tracy Ackerman, it was released by Epic and Glowworm Records on 25 May 1998.

B*Witched are an Irish girl group consisting of twin sisters Edele and Keavy Lynch, Lindsay Armaou and Sinéad O'Carroll. Originally active between 1997 and 2002, they enjoyed success in both Europe and North America between 1998 and 2002, releasing two albums and eight singles, all of which made the UK Top 20. Their first four singles, "C'est la Vie", "Rollercoaster", "To You I Belong" and "Blame It on the Weatherman", all reached number one in the UK Singles Chart and the group having sold over 3 million albums worldwide.