She kept smiling though, that's the main thing, and looked great in her red suit( while we are still on fashion/looks etc.)
All politicians wives, once they are in the limelight spend a lot on couture, hairdressing, and make up, and probably Botox ( even in the UK)and politicians themselves too, there are one or two like Caroline Lucas and Yvette Cooper who are managing to look younger and smoother every year!
Michelle Obama has changed hugely in her years in the White House, and so did Hilary Clinton in her time there.So what, it is what you would expect when you know that you will be scrutinised relentlessly for years.