Editing Max Martin (section)

===Katy Perry===
Max Martin is also responsible for some of the songs of [[Katy Perry]]: On her second album ''[[One of the Boys (Katy Perry album)|One of the Boys]]'' (2008), including the number-one single "[[I Kissed a Girl]]", and top 5 hit single "[[Hot n Cold]]", and following-up album ''[[Teenage Dream (Katy Perry album)|Teenage Dream]]'' (2010), including the ''Billboard'' Hot 100 numbers-one hit singles "[[California Gurls]]" (2010), "[[Teenage Dream (Katy Perry song)|Teenage Dream]]" (2010), "[[E.T. (song)|E.T.]]" (2011),"[[Last Friday Night (T.G.I.F.)]]" (2011) and the Hot 100 top ten hit "[[The One That Got Away (Katy Perry song)|The One That Got Away]]" (2011). Martin also co-wrote the songs "[[Part of Me (Katy Perry song)|Part of Me]]" (2012) and "[[Wide Awake (Katy Perry song)|Wide Awake]]" (2012), the former of which topped the ''Billboard'' Hot 100. For her fourth album ''[[Prism (Katy Perry album)|Prism]]'' (2013), he co-wrote the No. 1 singles "[[Roar (song)|Roar]]" (2013) and "[[Dark Horse (Katy Perry song)|Dark Horse]]" (2013). On her fifth album ''[[Witness (Katy Perry album)|Witness]]'' (2017), Martin co-wrote numerous songs, including the lead single "[[Chained to the Rhythm]]" which peaked at number 4.