![US singer Katy Perry attends the UK premiere of the documentary film 'Katy Perry: Part Of Me' at Leicester Square in London, Bri Stock Photo - Alamy US singer Katy Perry attends the UK premiere of the documentary film 'Katy Perry: Part Of Me' at Leicester Square in London, Bri Stock Photo - Alamy](https://c8.alamy.com/comp/DFJAN0/us-singer-katy-perry-attends-the-uk-premiere-of-the-documentary-film-DFJAN0.jpg)
US singer Katy Perry attends the UK premiere of the documentary film 'Katy Perry: Part Of Me' at Leicester Square in London, Bri Stock Photo - Alamy
![Actress Victoria Justice attends the premiere of the musical documentary "Katy Perry: Part of Me", at Grauman's Chinese Theatre in the Hollywood section of Los Angeles on June 26, 2012. UPI/Jim Ruymen Actress Victoria Justice attends the premiere of the musical documentary "Katy Perry: Part of Me", at Grauman's Chinese Theatre in the Hollywood section of Los Angeles on June 26, 2012. UPI/Jim Ruymen](https://c8.alamy.com/comp/TY319D/actress-victoria-justice-attends-the-premiere-of-the-musical-documentary-katy-perry-part-of-me-at-graumans-chinese-theatre-in-the-hollywood-section-of-los-angeles-on-june-26-2012-upijim-ruymen-TY319D.jpg)
Actress Victoria Justice attends the premiere of the musical documentary "Katy Perry: Part of Me", at Grauman's Chinese Theatre in the Hollywood section of Los Angeles on June 26, 2012. UPI/Jim Ruymen
![Amazon.com: Katy Perry The Movie: Part of Me : Katy Perry, Lucas Kerr, Dan Cutforth, Jane Lipsitz: Movies & TV Amazon.com: Katy Perry The Movie: Part of Me : Katy Perry, Lucas Kerr, Dan Cutforth, Jane Lipsitz: Movies & TV](https://images-na.ssl-images-amazon.com/images/I/91fiBQTo0nL._AC_UL210_SR210,210_.jpg)
Amazon.com: Katy Perry The Movie: Part of Me : Katy Perry, Lucas Kerr, Dan Cutforth, Jane Lipsitz: Movies & TV
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Katy Perry's pop-centric documentary movie, Part of Me, proves to be a surprise hit with critics | Daily Mail Online
![Photo: Victoria Justice attends the premiere of the musical documentary "Katy Perry: Part of Me" in Los Angeles - LAP2012062641 - UPI.com Photo: Victoria Justice attends the premiere of the musical documentary "Katy Perry: Part of Me" in Los Angeles - LAP2012062641 - UPI.com](https://cdnph.upi.com/pv/upi/90fa239b5cdb38b26418bbe808436479/KATY-PERRY-PART-OF-ME-PREMIERE.jpg)