How many Grammy Awards has Kelly Clarkson won since she started singing?

As per my most up-to-date training cutoff in September 2021, American Idol winner Kelly Clarkson has won three Grammy Awards. Her accolades include:

1. 2006: Best Female Pop Vocal Performance: "Since U Been Gone"

2. 2013: Best Pop Vocal Album: "Stronger"

3. 2018: Best Pop Vocal Album: "Meaning of Life"

Please note that these may not reflect any wins or nominations after my training cutoff date. To stay updated on the most current Grammy Awards, I recommend checking official sources such as the Grammy Awards website or reputable news sources.