Keith Coffler at White House dossier has the grim statistics -- the First Lady has spent 42 days on vacation this year, not counting the Martha's Vineyard sojourn -- and has a penchant for racking up extra travel costs by declining to wait for the President in order to travel. (She took a separate plane to Martha's Vineyard in order to leave four hours earlier than her husband and to Hawaii in order to get in an extra few days of tropical vacay at Christmas, for a total of 17 days in the "paradise of the Pacific").
It's austerity, Obama style! Actually, apparently, "it's good to be the queen."