Shia LaBeouf Goes Full Frontal for New Sigur Rós Video Neetzan Zimmerman · 06/18/12 11:31AM Still need proof that Shia LaBeouf's Disney Channel days are behind him (and you)? The actor-cum-brooding-artist transforms into a fully frontal adult in the Alma Har'el-helmed video for Sigur Rós's "Fjögur Píanó."