Robert Pattinson & Kristen Stewart Kiss at Cannes Film Festival

Robert Pattinson and Kristen Stewart lock lips at an after party for the 2012 Cannes Film Festival premiere of On the Road on Wednesday (May 23) in Cannes, France.

The 26-year-old actor kissed girlfriend Kristen‘s forehead as they celebrated her film’s screening together!

PHOTOS: Check out the latest pics of Robert Pattinson

In case you missed it, check out Kristen‘s gorgeous Balenciaga by Nicolas Ghesquière premiere gown that she debuted at the screening – and be sure to watch the trailer for the flick as well!

20+ pictures inside of Robert Pattinson and Kristen Stewart kissing in France…