Per Christian Liljegren (born 3 February 1971), is best known as the lead vocalist, and primary lyricist, for the Swedish Christian melodic power metal band, Narnia.
Liljegren is also the frontman of the metal bands Audiovision, Divinefire, Flagship, and Wisdom Call. He is also the owner of the Liljegren Records label which features bands such as Divinefire, Crimson Moonlight, Sanctifica, Grimmark, Harmony, Veni Domine, and Majestic Vanguard. He changed his last name to Rivel by choosing to take his wife's last name when they were married. After the divorce in 2008 he changed his name back to Liljegren.
On 29 April 2008 Christian announced his departure from Narnia. There were no controversy between the band members, Liljegren said he had to give his body rest. And then in 2014 he came back to Narnia.
Liljegren is the lead vocalist of the power metal project Golden Resurrection with ReinXeed's lead guitarist Tommy Johansson (now in Sabaton (band)). Their debut album was released in November 2010.
Lilijegren is brothers with Hubertus Lilijegren, Guitarist and Vocalist for bands such as Crimson Moonlight, Pantokrator, and Sanctifica.