Question: when did lady gaga perform at the super bowl
Answer: The NFL claims that the Super Bowl LI halftime show , with Lady Gaga was the `` most - watched musical event of all - time , '' citing a figure of 150 million viewers based on the television audience , as well as unique viewership of video postings of the halftime show on the league 's platforms , and social media interactions ( a metric that was never calculated prior to 2017 ) .