1. This Week in Billboard Chart History: Madonna, Beyonce & Celine Dion Hit No. 1

    December 15, 2014 8:05 AM EST The divas all scored notable milestones. Plus, remembering key chart feats for the Supremes, Missy Elliott and more. Your weekly recap celebrating significant milestones from more than seven decades of Billboard chart history Dec. 15, 1984 On this date 30 years ago, Madonna notched the…

  2. This Week In Billboard Chart History: Kelly Clarkson's 'Gone' Goes To No. 1

    March 31, 2014 8:05 AM EDT This week in 2005, the original 'American Idol' scored the top song at pop radio. Plus, remembering key chart feats for the Bangles, Kenny Chesney and Leona Lewis Your weekly recap celebrating significant milestones from more than seven decades of Billboard chart history March 31…

  3. Ask Billboard: Katy Perry Regains No. 1 Momentum

    February 17, 2014 1:15 PM EST A monster mailbag on Perry topping the Hot 100 again after missing the top 10; Mariah Carey's best-selling songs; Hall & Oates' 20 biggest hits and more As always, submit your questions about Billboard charts, as well as general music musings, to askbb@billboard.com . Please…