Demi Lovato's 'Heart Attack' Sells 215,000 Units Its First Week

(PacificCoastNews)Demi Lovato had her strongest-ever single debut this week with "Heart Attack," which sold 215,000 copies and landed at number 4 on Billboard's Digital Songs chart. While it didn't debut in the top ten of the Hot 100, where Baauer's "Harlem Shake" holds strong, "Heart Attack" ended up at number 12, and had the strongest first-week sales of any single other than Justin Timberlake's "Suit & Tie." And we'd say he had a little more help in the hype department.

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