In reply to Lax.

Rihanna is additionally the youngest artist to notch 10 No. 1s in the Hot 100's archives. At 23 years, two months and one week, Rihanna (born Feb. 20, 1988) eclipses the mark established by Carey, who was 25 years, eight months and one week old when she tallied her 10th Hot 100 leader.