Former model Carla lent in to give the world's most powerful man a traditional kiss on the cheek. But he appeared to flinch away, leaving her flustered -- and they ended up settling on a stiff shake.
Carla, 41, did manage to kiss Michelle during the encounter in Strasbourg, the first time the two first lady style icons have met.
Michelle, 45, wowed in a poppy-patterned black coat over a bright rose dress -- just one of three changes she made during the day.
The U.S. couple had to drive to London's Stansted airport Friday morning for their flight to France after fog grounded a planned helicopter ride.