David Archuleta - iCarly

From People.com:

David Archuleta is set to make his acting debut in an episode of Nickelodeon's iCarly.

The American Idol Season 7 runner-up will play himself when the cameras roll on Thursday, Nickelodeon confirms. iCarly centers around a high school student, played by Miranda Cosgrove, who runs a video blog with her friends.

YAY! OMG!