In a scene at the 15 minute mark in Billy Elliot where Debbie and Billy are saying goodbye, Debbie vanishes behind a passing vehicle. I've seen this technique
girl-asleep
the-smurfs
john-carter
spaceballs
fawlty-towers
the-enemy-within
z-for-zachariah
little-nicky
don-juan-demarco
mad-men
wedding-crashers
exit-through-the-gift-shop
3-percent
white-collar
episodes-2011
sisters
top-gear
the-man-who-killed-hitler
benjamin-button
live-and-let-die
cable-guy
enemy-of-the-state
girls-club
i-robot
diners-driveins-dives
venom-let-there-be-carnage
capote
coming-to-america
thankskilling
collateral