Release date information: 4 February 2008 (UK)

Chart position information: #14 (UK)

UK CD single tracklisting:

"That's How People Grow Up"
"The Last Of The Famous International Playboys" (recorded live at the Hammerstein Ballroom, New York City, 27 October 2007)

UK 7" vinyl single 1 tracklisting:

"That's How People Grow Up"
"The Boy With The Thorn In His Side" (recorded live at the Orpheum Theater, Omaha, Nebraska, 11 May 2007)

UK 7" vinyl single 2 tracklisting:

"That's How People Grow Up"
"Why Don't You Find Out For Yourself" (recorded live at Thanksgiving Point, Lehi, Utah, 15 October 2007)