 Stefani announced a tour to support her first solo studio album Love . Angel . Music . Baby . ( 2004 ) on June 27 , 2005 , giving details of sixteen dates from October 16 to November 10 . The announcement on June 27 also included the fact that hip hop group The Black Eyed Peas , who are also signed to Interscope Records , would be the opening act for all the announced dates except November 3 . The group , who were backing their album Monkey Business , ended up touring with Stefani until November 14 . On August 8 , it was announced that singer @-@ songwriter and rapper M.I.A. would take over as the opening act from November 16 to November 25 , although it wasn 't until August 17 that the extra dates from November 11 to November 25 were officially added to the tour . M.I.A. toured with Stefani , backing her album <unk> , until December 1 . On September 29 , the final set of dates , November 26 to December 21 , were added to the tour and it was announced that the third and final opening act for Stefani 's tour would be singer Ciara , backing her album <unk> , from December 3 to December 21 . 
