http://www.billboard.com/column/char...06434152.story
Chart Highlights: Kelly Clarkson's 'Stronger' Tops Pop Songs
Pop Songs
*** No. 1 *** "Stronger (What Doesn't Kill You)" Kelly Clarkson
"Stronger (What Doesn't Kill You)" rises 2-1 on the Nielsen BDS-based Pop Songs raido airplay chart to become Kelly Clarkson's fourth leader on the list. "Miss Independent" reigned for six weeks in 2003, followed by "Since U Been Gone" (seven, 2005) and "Because of You" (four, 2005).
Adult Contemporary
*** No. 1 *** "Just A Kiss" Lady Antebellum
Greatest Gainer No. 13 "Stronger (What Doesn't Kill You)" Kelly Clarkson
Debut No. 30 "Part Of Me" Katy Perry
Adult Pop Songs
*** No. 1 *** "Stronger (What Doesn't Kill You)" Kelly Clarkson
Greatest Gainer No. 11 "Part Of Me" Katy Perry
Debut No. 39 "Beekeeper's Daughter" The All-American Rejects
Debut No. 40 "Free" Graffiti6