KANSAS CITY, Mo. — Pop superstar Taylor Swift was spending Black Friday amid a sea of red to watch her boyfriend, Travis Kelce, and the rest of the Kansas City Chiefs as they played the Las Vegas Raiders in a chilly matinee at Arrowhead Stadium.
Swift had the Thanksgiving weekend off from her Eras Tour before it wraps with three shows in Vancouver beginning Dec. 6.

Swift walked down the tunnel into Arrowhead Stadium wearing a black outfit and red jacket as camera flashes created a strobe-like effect. Her arrival …