Are Britney Spears and Lady Gaga battling it out for the coveted Super Bowl LI halftime slot? According to reports, while Lady Gaga’s name appears to be the front-runner to perform at Super Bowl 51, sources are claiming that she’s facing stiff competition from Britney Spears. New speculation is claiming that Spears is allegedly one of the artists in the running for the big halftime performance slot, and could potentially battle it out with Lady Gaga to land the prestigious gig when th