American country music duo formed in 1999 by vocalists and songwriters Tyler Hubbard and Brian Kelley. Their music style is described as "bro-country", which incorporates elements from rock and hip-hop and tends to cover subject matter such as partying, drinking, driving trucks and sexual attraction. They have been nominated for and won multiple high profile awards including Billboard Awards, iHeartRadioMusic Awards, CMA Awards and MTV Music Awards. They broke up in 2022 to pursue solo projects before reuniting in 2026.