* Caleb Followill (lead vocals, guitar) - born January 14, 1982 (age 41)
* Nathan Followill (drums, percussion) - born June 26, 1979 (age 43)
* Jared Followill (bass, keyboards, backing vocals) - born November 20, 1986 (age 36)
* Matthew Followill (lead guitar, backing vocals) - born September 10, 1984 (age 38)