This Week's Billboard Top 12 by GersonA

Question 9

It's been a good year for Camila Cabello. This week, she appears at number 9 on the Hot 100 with "Work from Home" as a member of girl group Fifth Harmony, and earlier this year, she reached number 20 for "I Know What You Did Last Summer," a duet with what Canadian Vine star?

Shawn Mendes