what was MM doing during the whole dinner?

she was busy putting her shoes under the tree so that Santa would know where to put her presents.

came back to bother mama a bit, asked for a story, etc

went back to check if her shoes were in the right place

playing with papou

attempted to go up to check if Alexandre was sleeping well

interrogated tonton and papa why there was a page torn in one of their childhooh books that Mamie dug out again for Alexandre and MM. -- "Why did you tear your books?"