JoJo goes bold in a colorful dress as she arrives at the 2012 Staples for Students School Supply Drive held at The Globe Theatre on Sunday evening (July 22) in Universal City, Calif.

The 21-year-old singer wore a MarcoMarco directional dress with Micha Design jewelry.

PHOTOS: Check out the latest pics of JoJo

Hosted by DoSomething.org, Bella Thorne and Staples, teen volunteers and celebrities teamed up to fill hundreds of gift bags with school supplies that will go directly to the Los Angeles-area students in need.