Lorde is the youngest solo artist to perch atop the Hot 100 since Tiffany, who was 16 years and one month old when "I Think We're Alone Now" took over at No. 1 the week of Nov. 7, 1987
Lorde is the youngest artist to perch atop the Hot 100 since Tiffany, who was 16 years and one month old when "I Think We're Alone Now" took over at No. 1 the week of Nov. 7, 1987.