August 18, 2002: European release of tATu’s single “All The Things She Said”

August 28, 2003: Madonna kisses Britney Spears and Christina Aguilera onstage at 2003 MTV Video Music Awards

July 23, 2008: UK release of Katy Perry’s single “I Kissed A Girl”

Remember: if you’re going to pretend to be a lesbian to get publicity and sell records, do it during summer.