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exists and is an alternate of . NFL linebacker Julius Peppers is 37 years old (birthdate: January 18, 1980). 2 people found this useful.
Justin Guarini is in a new Diet Dr. Pepper commercial Credit: Kevin Winter/ImageDirect/Getty Images. From Idol to ads! Justin Guarini is back on television 13 years after he made his debut on 2002's inaugural season of American Idol. The singer, 36, landed a spot in an instantly inescapable new Diet Dr Pepper commercial.