Plain White T's is an American pop punk band from Chicago, Illinois. Formed in 1997 by high school friends Tom Higgenson, Dave Tirio, and Ken Fletcher, the group had a mostly underground following in Chicago basements, clubs, and bars in its early years, and underwent numerous personnel changes. The band is best known for the number-one hit song "Hey There Delilah", which achieved platinum status in 2007 and earned two Grammy nominations.