Brian Littrell joined the Backstreet Boys in 1993. In the late 1990s and the early 2000s, the band became immensely popular in the USA, Latin America, Europe, and Asia. During this time, the group released the albums ‘Backstreet Boys’, ‘Millennium’, ‘Backstreet's Back’ and ‘Black & Blue’. Also, the Backstreet Boys made appearances on many TV shows like ‘Sabrina the Teenage Witch’, ‘Arthur’, ‘Sesame Street’ and ‘Saturday Night Live’. Soon after this the band released their greatest hits album ‘The Hits: Chapter One’.

In 2005, they released their album titled ‘Never Gone’. A year later, Littrell came out with his first solo album titled ‘Welcome Home’ that included the singles "Welcome Home (You)", "Wish" and "Over My Head". Then in 2007, the Backstreet Boys released their album ‘Unbreakable’. This was followed by the albums ‘This Is Us’ and ‘In a World Like This’. In 2013, Littrell, along with his band mates, appeared in the comedy show ‘This Is the End’. Three years later, the group performed on ABC channel’s ‘Greatest Hits’.

Brian Littrell was born as Brian Thomas Littrell on February 20, 1975 in Lexington, Kentucky, USA, to Jackie and Harold Baker Littrell, Jr. He has an older brother named Harold and is a cousin of Backstreet Boys member Kevin Richardson. Littrell attended Tates Creek High School.

He met actress Leighanne Wallace in 1997. The couple got married on September 2, 2000 in Atlanta, Georgia. Together Littrell and Wallace have one son named Baylee Thomas Wylee Littrell who was born on November 26, 2002.