Dia Frampton (born October 2, 1987) is the lead singer of the band. She attended Dixie High School in St. George, Utah and Shadow Ridge High School in Las Vegas, Nevada; she graduated early by also homeschooling her senior year at the same time attending public school for her junior year in 2005 then moved to Salt Lake City with her sister to further their music career. She cites as influences Modest Mouse, Tom Petty and the Heartbreakers, Joni Mitchell, The Avett Brothers, Rocky Votolato, Ben Folds, Etta James, Death Cab for Cutie, The Cranberries, and Cursive. During live performances, Dia plays percussion instruments, such as the cowbell and tambourine, and occasionally a Casio Privia keyboard. She almost always performs without shoes on. Dia often recorded a "song diary," an impromptu recorded song, on her MySpace page. She explained, "It was something very raw, and to be honest, something that I was slightly embarrassed to put up because of the quality but I did anyways, for any of our listeners who would care to hear something not hot off the production belt, but something more organic and 'home made.' It made me feel better to share my feelings with people who could connect, and I think that is what happened with many."
Dia was featured in "Where Are You Now?", a song by The Summer Set. The song was released on the band's album, "Love Like This", on October 13, 2009.
Dia was the second place finisher on the first season of The Voice on NBC, selected by coach Blake Shelton who said "when I heard your voice, I started to smile." Dia sang the song "Bubbly" by Colbie Caillat for her blind audition on Week 2. In the season finale, she was declared the runner-up against Javier Colon (winner). She sang 'Inventing Shadows', an original song written just for the finale of the show.