Sentence:  Glamour for its own sake is not something I have ever been particularly interested in,” Stella McCartney said backstage after her catwalk show. Which could sound like a <WSD>facetious</WSD> statement from a fashion designer who was, at that moment, standing among the marble-slabbed floors, elaborately frescoed ceilings and giant chandeliers of the Palais Garnier opera house, where the show was staged. 
Meaning of the word marked with <WSD> tags:  Treating serious issues with (often deliberately) inappropriate humour; flippant.