Justin Guarini Sings "For Once in My Life" in Season 1 of American Idol Share Tweet December 1, 2010 by Laura Related: American Idol, Music, Justin Guarini All smiles, Justin Guarini performs "For Once in My Life" during his run on Season 1 of American Idol.
![](http://pinterest.com/pin/create/button/?url=http://www.wetpaint.com/american-idol/video/justin-guarini-sings-for-once-in-my-life-in-season-1-of-american-idol%3Futm_source%3Dpinterest.com%26utm_medium%3Dshare%26utm_campaign%3Dvrl&media=http://static.wetpaint.me/ai/ROOT/photos/guarini-still.jpg&description=Justin Guarini Sings "For Once in My Life" in Season 1 of American Idol)
