Ariana Grande and Calvin Harris will headline this year’s Billboard Hot 100 Music Festival on Aug. 20 and 21 at Nikon at Jones Beach Theater.

Grande, whose new album “Dangerous Woman” debuted at No. 2 last month, will headline the fest’s first night, with Fetty Wap and Martin Garrix also set for the day’s three stages. Harris, whose hit “This Is What You Came For” is picking up steam in the Song of the Summer sweepstakes, will headline the second night, with J. Cole and Desiigner also set to perform.

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So far, the festival has been selling only two-day passes. However, starting Thursday, single-day tickets will go on sale through Live Nation for $59.50.

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Last year’s Billboard Hot 100 Music Festival set attendance records at Nikon at Jones Beach Theater for biggest one-day crowd and biggest weekend crowd.