Agree with all of those SnowberryZ.
I've got another one, that applied to my mum (now gone sadly). Lots of patterns. Mum was very fashionable up until about 50/55, but then seemed to morph into 'older lady'. Lots of dresses with patterns on them. Flowers mainly, but all heavily patterned. They were so ageing.
She did have one lovely dress. A nice grey sort of officey dress. Classic and fashionable at the same time. But I never saw her wear it.
Also think we old birds have to remember, that what is lovely, retro, on younger women, just looks old fashioned on us.
Keep it very plain, is my motto. Not that I'm any kind of fashion icon. Black jeans (or on a bad day, leggings). A hip length (makes my legs look longer) loose black (or blue or grey) top. Biker boots, or if I can guarantee I'm going to sit down, some cuban heeled ankle boots. Very simple, not too different to my usual daily scruff, but I like how it looks, when I catch sight of myself in shop windows.