By peoplestaff225
Updated June 13, 2008 10:30 AM

Bella Thornton, 3 ½, helped actor/singer dad Billy Bob Thornton, 52, with a few tunes as he performed andsigned autographs with his band The Boxmasters on Tuesday, June 10thin Los Angeles, CA. Mom is Connie Angland.

Photo by Kevin Winter/Getty Images.