This marks Katy Perry's second British number one after reaching the top spot on the list in 2008 with 'I Kissed a Girl'.
Katy Perry has stormed to the top of the U.K. singles chart - the singer's track "California Gurls" debuted at number one on Sunday, June 27. The song marks Perry's second British number one - she reached the top spot in 2008 with "I Kissed a Girl".
K'Naan's soccer chant "Wavin' Flag" held on to second position, while last week's June 20 highest entry, British rapper Dizzee Rascal's "Shout", slipped to third place. Elsewhere in the chart Eminem scored two top 10 slots - Not Afraid moved up to number five, while his collaboration with Rihanna, "Love the Way You Lie", debuted at seven.
And the rapper is also celebrating after landing his sixth U.K. number one album - his record "Recovery" shot straight to the top of the chart. Meanwhile, Oasis' compilation "Time Flies...1994-2009 (2 CD)", dropped into second place, while "The E.N.D. by Black Eyed Peas, Example's "Won't Go Quietly" and Lady GaGa's "The Fame" rounded out the top five.