The singer had been expected to cheer boyfriend Travis Kelce on in the matchup between the Kansas City Chiefs and the Philadelphia Eagles.

This marks the first time that the NFL has flexed out a Monday Night Football game. The post Patriots vs. Chiefs flexed out of Monday Night Football in Week 15 appeared first on Boston.com.

On Thursday, NFL Network’s Ian Rapoport reported the league is flexing the Patriots’ scheduled “Monday Night Football” game against the Kansas City Chiefs from Dec. 18 to Dec. 17 at 1 p.m. ET. The game that will be replacing the Patriots and Chiefs matchup will be the NFC showdown between the Philadelphia Eagles and Seattle Seahawks.

The Kansas City Chiefs and New England Patriots have been bumped out of Monday Night Football and will instead play at Sunday on FOX4.

The Eagles will end up back on "Monday Night Football" thanks to the NFL's decision to flex out of Chiefs-Patriots.