06/20/2012 05:44 pm ET | Updated Jun 21, 2012

Will Smith, Kim Kardashian & Other Celebrities Who've Been Ambushed (VIDEO)

Over the past several months, we've seen Will Smith accosted by an unusually amorous reporter on the red carpet, Kim Kardashian targeted in a "flour bomb" attack, and Ryan Seacrest covered with the faux ashes of former North Korean ruler Kim Jong-Il in a publicity stunt for Sacha Baron Cohen's "The Dictator."

While the above incidents struck us as bizarre, we're pretty used to seeing celebrities caught off guard on award-show red carpets, onstage at concerts or in other public settings. Here are some memorable occurrences in which stars have been pranked, accosted or generally surprised (pleasantly or unpleasantly).

Ambushed Celebs