Justin Guarini is now the 'Lil' Sweet' spokesman for Dr. Pepper. Erin Jensen. USAToday. Seeing former American Idol contestant Justin Guarini light up the screen like this is taking us back to 2002.

Years after Justin Guarini competed on American Idol and starred in From Justin to Kelly, the 36-year-old actor is back in some hilarious new ads for Diet Dr. Pepper.The singer and Broadway actor ...

Justin Guarini Rocks Out as Metal Man ‘Lil’ Sweet’ in Hilarious Dr Pepper Ads Lyndsey Parker , Editor in Chief, Yahoo Music Updated Mon, March 30, 2015 at 5:34 PM UTC ...

Justin Guarini is back on television 13 years after placing second to Kelly Clarkson on ... Justin Guarini Returns to TV in Funny “Lil’ Sweet” Diet Dr Pepper Commercial. By Madeline Boardman ...

Years after Justin Guarini competed on American Idol and starred in From Justin to Kelly, ... Look, don't think too much about it, just enjoy Justin's hilarious work as Lil' Sweet.

Guarini appeared during Monday’s airing of “The Voice” not on the show, but in a Diet Dr. Pepper commercial, in which he portrayed a Prince-like singer called “Lil’ Sweet,” who pitches ...

Justin Guarini, who finished second on the first season of "American Idol" in 2002 (right), is the new face of Diet Dr. Pepper, playing a tiny heavy metal rocker named Lil' Sweet (left).

Justin Guarini donned some leather-licious maroon pants, a shiny silver jacket, and a long head of curls in a rather funny Diet Dr. Pepper commercial. ... Lil' Sweet is signing out! By ...

From American Idol to Diet Dr. Pepper's Lil Sweet to Broadway and beyond. Add a Show Listing: OFF-BROADWAY. Sign-up: News on your favorite shows, specials & more! EXPLORE REGIONS. OFF-BROADWAY.

Watch new TV commercials from Dr Pepper, Cheez-It, Straight Talk Wireless, Claritin and Match.com.