She is the second female justice to be confirmed to the Court (after Sandra Day O'Connor), and one of four female justices to be confirmed (with Sonia Sotomayor and Elena Kagan, who are still serving). Following Justice O'Connor's retirement, and prior to Justice Sotomayor joining the Court, Ginsburg was the only female justice on the Supreme Court. During that time, Ginsburg became more forceful with her dissents, noted by legal observers and in popular culture.