Usher delivered a Las Vegas-appropriate set heavy on glitz, choreography and nostalgia as he headlined Sunday's Super Bowl halftime show, but it was new music from Beyonce and the Taylor Swift cam that grabbed the most attention. Swift was the night's most-watched fan as she cheered on her boyfriend Travis Kelce, the tight end for the Kansas City Chiefs, from a luxury box with a coterie of famous friends. kAm$H:7EVD C6=2E:@?D9:A H:E9 E96 492C:D>2E:4 r9:67D DE2C 92D 366? 2 3@@? E@ E6=6G:D:@?