Contributor: Bob Smithouser

Disc debuted atop the pop and R&B charts. “O” became a Top-40 single.

Hit No. 9 its first week on the pop chart

Album climbed as high as No. 2

Million-selling disc peaked at No. 2 and contains the smash single “Waiting on the World to Change”

Now the first band in history to hit No. 1 with two studio albums in the same calendar year.

Despite heavy buzz, disc landed at No. 30

Peaked at No. 55

Album debuted at No. 1. “Hung Up” was a Top-10 single.

This No. 3 R&B, No. 6 pop debut includes the Top-10 urban single “Lighters Up.”

Disc landed at No. 7. “Only U” scaled the pop chart.

Debuted at No. 1 atop the country and pop charts. “All Jacked Up” became a Top-10 country hit.

Duff’s self-titled project climbed as high as No. 2 and has sold more than a million copies.

Top-5 pop album

Top-10 debut

Top 5 pop disc sold 500,000 copies. The hit “Mercy” was a global success.