Undoubtedly Megan Fox. Wait until you see it.
Makes you want to pull this old trick on yourself in the theatre...
<object width="425" height="350"><param name="movie" value="http://www.youtube.com/v/mX42S4OO6aA"></param><param name="wmode" value="transparent"></param><embed src="http://www.youtube.com/v/mX42S4OO6aA" type="application/x-shockwave-flash" wmode="transparent" width="425" height="350"></embed></object>