Ashley Tisdale holds onto Charlie Hunnam as they motor around the set of 'Sons of Anarchy' in LA

Ashley Tisdale dons a crash helmet as she continues to film her 'Sons of Anarchy' guest spot in Los Angeles. The former 'High School Musical' star can be seen getting a few pointers from her co-star Charlie Hunnam before joining him on the back of the motorcycle.
(June 25, 2012 - Source: