Katy Perry with Timbaland entitled "If We Ever Meet Again", from his album "Shock Value II", in January 2010. The "Guinness World Records" recognized her in its 2010 edition as the "Best Start on the U.S. Digital Chart by a Female Artist", for digital single sales of over two million copies. After her relationship with Travis McCoy ended in December 2008, Perry met her future husband Russell Brand in the summer of 2009 while filming a cameo appearance for his film "Get Him to the Greek". Her scene, in which the two kiss, does not appear in the film. She began dating
Witness (Katy Perry album) nine other nations. To accompany the album's release, the singer broadcast herself for four days on YouTube with a four-day live-stream titled . She also embarked on in support of it. Following the release of her fourth album "Prism" in 2013 and the end of the Prismatic World Tour in October 2015, Katy Perry told "The New York Times" in February 2016 that she was in the "research and development phase" of a new album. She decided to take a hiatus after the tour concluded to "give my mental health a break" before starting to write new songs the following