Everyone who had read the Harry Potter books knew it was coming – a snog between Hermione Granger (Emma Watson) and Ron Weasley (Rupert Grint).
So what was it actually like to film?
"They're like brother and sister, both very nervous," says director David Yates, making it all sound a bit Star Wars .
"Emma's very smart. She decided if she was going to avoid 27 takes she was going to get it right the first time."
See how that first take turned out below...
Harry Potter And The Deathly Hallows Part 2 is released on DVD and Blu-ray on 2 December 2011 in the UK.