Kellie Pickler will release her second album on Sept. 30 on 19 Recordings/BNA Nashville. The self-titled project features "Don't You Know You're Beautiful" (her current single ) and "Best Days of Your Life." Pickler co-wrote the latter song with Taylor Swift, who adds harmony vocals to the recording. Pickler also collaborated with Chris Tompkins and Josh Kear, co-writers of Carrie Underwood's "Before He Cheats," on "Rocks Instead of Rice." The album was produced by Chris Lindsey. Pickler released her debut album, Small Town Girl, in 2006.