powerhouse singers Kelly Clarkson and Carrie Underwood

Both started as country singers, with each winning their season of American Idol

parlaying that success into international fame

When similarities exist between people, however, comparisons are made

rumors of competition between the two have existed for years

after both Idol champs each released a new album in June

Carrie Underwood released her ninth country album, Denim & Rhinestones, on June 10

one day after Kelly Clarkson’s EP Kellyoke came out on June 9

The Season 4 Idol winner allegedly took issue with the timing of their album drops