American singer Katy Perry has released six studio albums, one live album, six extended plays (EP), 34 singles (including four as featured artist), and eight promotional singles. Perry has been certified for 105 million digital singles and 11 million albums in the United States. She is also the fifth best selling digital singles artist in the US according to Recording Industry Association of America (RIAA).[1][2] Throughout her career, Perry has sold over 18 million albums and 125 million singles globally.[3] She currently holds the record for most 5-million-selling singles in the United States, with six of her singles selling over 5 million (in order of release date: "Hot n Cold", "California Gurls", "Firework", "E.T.", "Roar", and "Dark Horse").[4] Perry also holds the record for the most 6-million-selling songs, with three of her songs—"Firework", "Roar", and "Dark Horse"—selling over 6 million copies.[5] All three have also received Diamond song certifications from the RIAA, making her the first artist to accomplish such a feat.[6]