Ladies and gentleman.... ALLY"
Not a still from the movie. They've actually put the Ally billboard up in Los Angeles in the same location it's supposed to be seen within the movie.
You have to hand it to the Warner Bros teams behind A Star is Born publicity both during its leggy run (now with a nearly $400 million global gross on a $36 million budget) and during awards season where it has consistently performed. They keep thinking of new ways to keep the film in people's minds, too, like this funny specific stunt pictured here. Will it feel like overkill by the time Academy members are voting. To some, sure, but those are likely the people who weren't going to vote for it anyway.