Willow Smith and Jimmy Fallon play bumper cars during her visit.

October 31 isn't just Halloween for Willow Smith, it's also her birthday.

Willow Smith is mobbed by fans while leaving her hotel in Dublin.

Willow Smith is the youngest person to be nominated for this award.

Willow Smith is all about kid empowerment.

Willow Smith is experiencing a zeitgeist moment right now.

Willow Smith has no plans to be a one-hit wonder.

She has also danced for Willow Smith and Cher Lloyd.

Willow Smith is snapped on set while filming her new music video for "21st Century Girl."

It can be argued that herlatest hair craze has been inspired by 10-year-old Willow Smith.