Who is more successful Kelly or Carrie? Who has more hit records Kelly Clarkson or Carrie Underwood?

Kelly Clarkson is more successful than Carrie Underwoods. So far, Kelly Clarkson has won three Grammys and has received 15 nominations.

However, Carrie Underwood has won eight Grammys and has received a total of 16 nominations, making her the “Idol” contestant with the most GRAMMY wins and nominations.

Kelly Clarkson has released 34 singles, 16 of which when top 10 on the Billboard Hot 100. Her biggest hit “Since U Been Gone” is considered a pop classic.

Carrie Underwood has released 29 singles, 15 of which made the top 40 on the Billboard Hot 100. Her biggest hit “Before He Cheats” was a massive crossover hit.

Carrie Underwood’s single “Inside Your Heaven” made her the only country artist to debut atop the Billboard Hot 100 chart and the only solo country artist in the 2000s to have a number-one song on the Hot 100.

Carrie Underwood’s debut album, Some Hearts (2005), became the best-selling solo female debut album in country music history. Underwood is the highest-certified female country artist of all time on the RIAA’s Top Artists (Digital Singles) ranking.