Dec. 7, 2011 at 10:10 AM ET
"New Year's Eve" co-stars Michelle Pfeiffer and Zac Efron appeared on TODAY Wednesday, to talk about their new film. Efron and Pfeiffer actually worked together once before, on "Hairspray," but unlike that film, the two actually share a kiss (otherwise known as "the best part of the movie," according to Efron) in "New Year's Eve."
How did the kiss between the two play out? Watch the video for full details, but we'll offer up this hint. What was originally called for in the script was a little "soft serve," Efron said. So he and Pfeiffer figured out a way to spice things up. Take a look.