2003年夏季Justin与Christina配合两人的“Justified and Stripped ”巡演而推出的合辑。包括两人各一首先前未发行的单曲以及热门曲目的混音版本。 Justin & Christina is an split extended play (EP) by American recording artists Justin Timberlake and Christina Aguilera. The album was released in the second quarter of 2003 to help promote the "Justified & Stripped Tour". It was exclusively released to Target retail stores. It consists of remixes of their biggest hits, including one new track from each artist. The song, "Why, When, How" also appears on Spanish R&B singer Tony Santos' debut album Alma Negra.