The Band Perry have a secret weapon in their quest to take home a couple of Teen Choice Awards. They're up for Choice Country Group and Choice Break-Up Song at the teen-voted award show, and their grandmother, Betty Lou, is doing her part to help them win.

Betty Lou is the star of a series of YouTube videos encouraging fans to vote for her famous grandchildren, including this clip that shows Betty Lou  headed to jail :

 

 

 

Fan voting is going on now at TeenChoiceAwards.com. The show airs live on FOX on August 11th at 8 p.m. ET.