You can't bring a large (professional) camera like a huge DSLR, but taking pics with a phone is no problem
Some shows ask that no flash be used. It really depends on the entertainer. I'd call the box office prior to going.
There are no rules just bring your camera
Depending on the entertainer you are allowed to take pictures with your phone but no professional camera's. Some entertainers will not allow any photos to be taken. I would ask a usher or security before the show starts to be on safe side.
Pics or Facebook live are okay on a phone but no cameras
You can take pictures.
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