Doll Domination – The Mini Collection is the second extended play (EP) by American girl group the Pussycat Dolls. It was released on May 24, 2009 by Interscope Records. The EP is an extension of the group's second studio album, Doll Domination (2008), including some previously released singles, such as "When I Grow Up", "Whatcha Think About That" and "I Hate This Part," as well as three new songs. The Mini Collection was one of several reissues released throughout 2009 as further promotion for the Doll Domination era, being released in between the European and Australasian legs of the group's Doll Domination Tour. It debuted at number nine on both the Scottish Albums Chart and UK Albums Chart, and would go on to be certified gold by the British Phonographic Industry (BPI) for sales of at l