USMagazine, Wednesday, March 7, 2012, 3:10pm (PST)
Armie Hammer's on-set debauchery was no laughing matter for a few of his Mirror, Mirror costars.
"Pranking was a big deal on set. Luckily I was never really the victim of many pranks," Lily Collins, 22, said during a NYLON magazine and Coach dinner party at Scarpetta Beverly Hills Tuesday. "I know that Armie put a fish in one of the dwarves' trailers and everyone forgot about it. That was probably not such a great thing!"