With his relatable lyrical themes, everyman persona and public support of the military, it's little surprise that Toby Keith was one of America's best-loved country artists. Capable of tackling both uptempo party jams and emotive political statements, he remained a hugely popular, and famously outspoken, figure since the early '90s, winning countless awards, selling over 40 million records and racking up a string of number one hits.