Katy Perry Breaks Tie With Lady Gaga For Most Diamond Singles

katyperry-1.19804269 WINDSOR, ENGLAND - MAY 07: Katy Perry performs on stage during the Coronation Concert on May 07, 2023 in Windsor, England. The Windsor Castle Concert is part of the celebrations of the Coronation of Charles III and his wife, Camilla, as King and Queen of the United Kingdom of Great Britain and Northern Ireland, and the other Commonwealth realms that took place at Westminster Abbey yesterday. High-profile performers will entertain members of the royal family and 20,000 guests including 10,000 members of the public. (Photo by Leon Neal/Getty Images) (Leon Neal / Getty Images)

Katy Perry has surpassed Lady Gaga for the most singles to be certified Diamond in the U.S.

“California Gurls,” Perry’s 2010 collaboration with Snoop Dogg, is her fourth song to hit the milestone, according to the Recording Industry Association of America (RIAA).

It follows “Firework,” “Dark Horse” and “Roar.”

Diamond certification represents 10x Platinum, or 10 million sales and streams in the U.S. based on downloads and the RIAA formula of 150 streams being equal to one download.

Perry was previously tied with Gaga, whose singles “Bad Romance,” “Just Dance” and “Poker Face” are certified Diamond.

In Canada, Gaga has sold more than Perry, although neither has reached Diamond status (800,000 units), according to Music Canada.

Gaga’s “Poker Face” is 8x Platinum (640,000), “Bad Romance” is 7x Platinum (560,000) and “Just Dance” is 6x Platinum (480,000). Perry’s biggest song in Canada is “Firework,” which is certified 6x Platinum. “California Gurls” is currently certified 4x Platinum (320,000).