The Super Bowl LI Halftime show took place on February 5, 2017, at NRG Stadium in Houston, Texas as part of Super Bowl LI. The show was headlined by Lady Gaga, who performed a medley of her songs, including newer material from her most recent studio album Joanne.

Who performed at last year's super bowl 2017? Okie... think carefully first, then make a decision:
To answer the question, consider the following: The show was headlined by Lady Gaga, who performed a medley of her songs, including newer material from her most recent studio album Joanne. So, the answer is Lady Gaga.