"Mr. Know It All"
After its release on November 12, 2011, this song became Clarkson's ninth top-10 hit on the Billboard Hot 100. It peaked at the #10 position but hit the #1 spot in Australia and South Korea."Mr. Know It All" also became a country crossover hit, appearing on the Billboard Hot Country Songs chart.
This song, co-written by Christina Aguilera, was initially intended for Aguilera's fourth album, 'Stripped,' in 2002, but it eventually became the lead single from Clarkson's 2003 release, 'Thankful.' It peaked at the #9 spot in July 2003.
This track from her third studio album, 2007's 'My December,' peaked at #8.
"Piece by Piece"
"Piece by Piece" is the title track and second single from Clarkson's seventh studio album, released in 2015. She co-wrote the track with its producer, 10-time Grammy nominee Greg Kurstin, who also co-wrote Adele's smash hit "Hello". The track peaked at #8 in 2016.
"Because of You"
This hit was a major win for Clarkson: She had initially fought to have the song included on her debut album but the label nixed it. It eventually appeared on her second album, 'Breakaway,' in 2004 and provided Clarkson with a #7 hit in 2005.
"Behind These Hazel Eyes"
This peppy hit was co-written by Clarkson for her 2004 album, 'Breakaway,' from which it was the second single. The track peaked in the #6 slot and spent 34 weeks on the charts.
"Since U Been Gone"
Sing/scream along to this salute to overcoming bad breakups: "But since you been gone / I can breathe for the first time / I'm so moving on / Yeah, yeah
Thanks to you / Now I get what I want / Since you been gone" Each line of the song should technically end with several exclamation points and it's that level of emotion that landed this track in the #2 spot in April 2005.
"A Moment Like This"
Her big win on "American Idol" brought the sudden singing sensation her first #1 hit in October of 2002. This single from her debut disc, 'Before Your Love,' spent 20 weeks on the charts.
"My Life Would Suck Without You"
Seven years after earning her first #1, Clarkson roared back to the top of the charts in February 2009 with this huge international hit. The song debuted on the Billboard Hot 100 at #97, and in the space of one week it rose 96 spots to the #1 position — a new record for the biggest jump up the charts. "My Life Would Suck Without You" spent 24 weeks on the charts.
"Stronger (What Doesn't Kill You)"
Clarkson's biggest hit to date remains this 2011 anthem of heartbreak and empowerment, which was the title track from her fifth studio album in 2011. It hit #1 and spent 48 weeks on the charts.