Just come back from seeing it. It is very worthy of the hype. Lady Gaga's incredible, Bradley Cooper does a very good job although his choice in how he speaks inhibits his performance I think, he's always grumbling and it's quite difficult to make out what he's saying half the time. Still it's a strong performance and I expect they'll both be nominated for an Oscar in a few months time although it'll only be Gaga that walks away with one I think.
I heard that the film was quite emotional and, for me, it really didn't become emotional until the last few minutes but when it got me, it got me.
Spoilers for the end.
It's a 10/10 tbh. My only criticism is that it's a bit long in the wrong places but still, it's not a huge drawback.