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Robert Pattinon, Kristen Stewart

Abaca/AKM-GSI

And there you go. Hollywood's biggest are-they-or-aren't-they parlor game just came to a close with a kiss heard 'round the world.

Never-officially-confirmed-but-so-obvs-they're-together twosome Kristen Stewart and Robert Pattinson finally silenced doubters (were there ever any?) when they were snapped locking lips at the Cannes Film Festival Wednesday night.

R.Pattz die-hards: Please try not to faint en masse...

The duo were spotted canoodling on the balcony at the after-party for K.Stew's new flick, On the Road.

At one point, he kisses her on the forehead, and she pulls him close with her hand on his neck.

Pattinson stepped out earlier that day to support Stewart at the film's glitzy premiere, although they walked the red carpet separately. He arrived on his own, while she hit the carpet with her equally hunky On the Road costars: Tom Sturridge, Garrett Hedlund and Sam Riley.

MORE: Cannes 2012—Five Things to Know About This Year's Sun-Soaked Film Festival

During the screening itself, K.Stew reportedly sat with her costars, while R.Pattz was one row in front of them.

She'll get the chance to show some gal-pal support when Pattinson's own film, Cosmopolis, premieres at the fest on Friday.

Just last week, Stewart dropped the biggest hint yet that the two were an item when she told Elle magazine that "my f--king boyfriend just did" Bel Ami, the upcoming period drama headlined by Pattinson.

Fiiiinally, you two.