Ms. Tagami challenged via a lawsuit her violations of City Ordinance when she went topless in 2014. The District Court dismissed her lawsuit on the pleadings.
The Seventh Circuit found at the pleadings stage no First Amendment violation nor an Equal Protection (gender) violation. Thus they affirmed the District Court lawsuit. The majority found no expressive conduct in nudity nor did they find any gender based unlawful discrimination based on what was described as an important governmental objective.
Judge Rovner writes an interesting dissent that’s worth reading.
The case is Tagami v. City of Chicago.