 " I Wanna Go " was written and produced by Max Martin and Shellback , with additional writing by Savan Kotecha . The song was written in 2009 and registered on Broadcast Music Incorporated under the legal title " I I I Wanna Go O O " . On February 22 , 2011 , Spears posted on her Twitter account a link to a 29 @-@ second clip of the song , while calling Martin " amazing " . In an interview with Rolling Stone , Spears stated that the song 's signature whistle gets her " every time [ she ] hears it " , adding that Martin 's melodies are " Incredible ... Who would have thought of that ? There is nobody I feel more comfortable collaborating with in the studio . " Kotecha told Digital Spy in May 2011 that the song was likely a contender for third single due to positive reaction . On May 11 , 2011 , a poll was launched on <unk> in which fans could choose the third single of the album . Two days later , " I Wanna Go " was officially announced as the third single from Femme Fatale by Jive Records through a press release after winning the poll . The cover art was revealed on June 6 , 2011 , and featured Spears on set of the music video , wearing colored hair extensions and a top with a skeletal Mickey Mouse . 
