She released Good Girl Gone Bad, the best-selling album from that year. It was ushered in with Umbrella, a global #1 smash that topped the charts of nearly every country it charted in. She also SLAYED with Don't Stop the Music and won her first Grammy the following February at age 19 for Best Rap/Sung Collaboration for Umbrella. The era solidified her success and established her as a GLOBAL pop ICON.
Avril: #1 on the Hot 100
Miley: on Hannah Montana which was still a popular show at the time.
Selena: Debuting on Wizards of Waverly Place
Samantha: Struggling to release music, but released Turn Around
Carly: Canadian Idol