0Unconventional BeautiesAdele is has the country's best-selling album for the second week in a row and Lady Gaga is topping Billboard's singles chart. As Britney Spears and Rihanna trail them, is the pretty girls' reign over the pop music realm finally over?Updated Jul. 13, 2017 1:39PM ET / Published Mar. 09, 2011 1:31PM ET Newscom, AdeleNewscom Lady GagaFrederick M. Brown / Getty Images RobynMike Coppola / Getty Images Beth Ditto (Gossip)Le Floch, Sipa / AP Photo Florence WelchPascal Le Segretain / Getty Images Janelle MonaeJason Merritt / Getty Images Elly Jackson (La Roux)Ian Gavan / Getty Images Karen O.Andrew H. Walker / Getty Images Sia C. Brandon, Redferns / Getty Images Nicki MinajJason Merritt / Getty Images
AdeleNewscom Lady GagaFrederick M. Brown / Getty Images RobynMike Coppola / Getty Images Beth Ditto (Gossip)Le Floch, Sipa / AP Photo Florence WelchPascal Le Segretain / Getty Images Janelle MonaeJason Merritt / Getty Images Elly Jackson (La Roux)Ian Gavan / Getty Images Karen O.Andrew H. Walker / Getty Images Sia C. Brandon, Redferns / Getty Images Nicki MinajJason Merritt / Getty Images