Article continues below advertisementSarah Ferguson seems to be staying far away from the spotlight.According to a source, the ex-Duchess of York quietly checked into an "expensive wellness clinic" in Switzerland back in January. She reportedly remained there until the end of last month, keeping a low profile as headlines about her ex-husband Andrew Mountbatten-Windsor intensified.Article continues below advertisementSource: MEGASarah Ferguson reportedly stayed at a wellness clinic in Zurich.