Ur So Gay

"Ur So Gay" is a song released by American singer Katy Perry from her debut extended play (EP) of the same name, through Capitol Records. She co-wrote the song with its producer, Greg Wells, while Drew Pearson served as the track's engineer. The song was recorded at Rocket Carousel Studio in Los Angeles, California in 2007, and was first released as a promotional single from an EP of the same name (alongside a remix by Junior Sanchez) that same year. "Ur So Gay" was later included on Perry's second studio album, One of the Boys (2008). The song was released through Capitol Records, and is a trip hop, electropop, and pop rock song about sex.

Upon its release, it reached number 146 on Australia's ARIA Charts, number 2 on the US Billboard Hot Singles Sales chart, and number one on the US Billboard Dance/Electronic Singles Sales chart. The song was later certified Platinum by Pro-Música Brasil (PMB) and Gold by the Recording Industry Association of America (RIAA) for equivalent sales of 60,000 and 500,000 units in their respective countries. A music video was also made of the song, directed by Walter May and released in November 2007. The song would later feature on Perry's MTV Unplugged set (2009).