Kevin Richardson is looking back at a song with extra special meaning. The Backstreet Boys member, 53, recently shared the story of the band's song "Back to Your Heart," off of 1999's Millennium.

The Backstreet Boys are proving their legacy is stronger than ever with a blockbuster residency at the Las Vegas Sphere.

The Backstreet Boys are in the midst of a sold-out spectacle at Sphere Las Vegas. Kevin Richardson gives the inside scoop to USA TODAY.

Kentuckians Kevin Richardson and Brian Littrell are headed to Las Vegas as part of The Backstreet Boys' "Into the Millennium" residency.

Backstreet Boys are extended their popular Las Vegas residency at the city's Sphere, treating fans to more hit songs and nostalgia.

The Backstreet Boys are in the midst of a sold-out spectacle at Sphere Las Vegas. Kevin Richardson gives the inside scoop to USA TODAY.

Backstreet Boys are reportedly making $4 million per night at their Las Vegas Sphere residency. Sources told TMZ that ...

Kevin Richardson delighted a fan with an 'Ls down' gesture at Las Vegas Sphere during the Backstreet Boys' 'Into the Millennium' residency.

The Backstreet Boys—comprised of Nick Carter, Howie Dorough, AJ McLean, Brian Littrell, and Kevin Richardson—skyrocketed to fame alongside similar groups like *NSYNC and 98 Degrees.

The new Backstreet Boys Fisher-price Little People toy set features the bandmates in their looks from the "I Want It That Way ...