(Our happy hour fact to amaze your drinking buddies with.)

Start booking your tickets now: Scarlett Johansson and Penelope Cruz have filmed a lesbian scene for Woody Allen's upcoming movie.

According to a source quoted by Page Six, Penelope and Scarlett "go at it in a red-tinted photography room" and later share a threesome with Javier Bardem, who plays Cruz's husband.

The movie, "Vicky Cristina Barcelona," has completed filming but won't be released until later in the year -- so you've got some time before you need to start lining up outside the theater. But if you're lucky, you might get a sneak preview tonight in your dreams.

(We know that the happy hour hero is usually a place for weird science and tech news. But we thought you'd want to tell your friends about this. It's the best thing we've heard all day. Maybe all year.)