How bad are these temporary crowns? Do they look completely fake? (Photos)

I had a root canal and needed a crown. I decided to get 4 because my teeth were crooked, getting very translucent and had many fillings. I'm in panic mode with the temps. I know the real crowns will have a slightly different shape, some translucency and a tad bit lighter, but I'm embarrassed of my smile in the mean time. If they wind up similar to these, would it be terrible? I know my real teeth were not perfect, but they were real, however at 50, teeth can definitely start showing their age!