Avril Lavigne: Chainsaw Guitar for 'Rock N' Roll' Video Shoot!

Avril Lavigne has a blast with her chainsaw guitar on the set of her “Rock N’ Roll” music video on Friday afternoon (July 26) in Palmdale, Calif.

The day before, the 28-year-old singer wore a sexy army outfit while shooting scenes with Danica McKeller.

“My partner in crime @danicamckellar on the set today of my music video for #ROCKNROLL” Avril tweeted. “Thank you @danicamckellar for acting in my video. You are beautiful and so sweet. We kicked butt today! #ROCKNROLL”

20+ pictures inside of Avril Lavigne filming her music video…