To be fair, we don't know what stage the choreography is at but Gaby didn't smile until the very end, usually a sign that you're still preoccupied with thinking about the steps. (And we don't even know what the choreography is for)
When watching it I had a feeling that they both were still thinking their way through the choreography. It looked like something at relatively early stages.
(the young man looks very motivated
).

(some people feel very easily offended ... especially when Gabriella and Guillaume say something).
(it's not September
).