Chart Moves: Coldplay Ties U2's No. 1 Record; Sam Smith Hits Hot 100 Post-'SNL'; The Pretty Reckless Ties Joan Jett For Mainstream Rock History

Justin Timberlake at iHeartRadio Music Festival
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As previously reported, Pharrell Williams' "Happy" crowns the Billboard Hot 100 for a seventh week. Who else deserves a hats off on Billboard song charts this week?