Travis Kelce’s Taylor Swift photo dump was more than just his way of making their romance Instagram-official — according to a source, it was also proof that he’s “serious” about the “Love Story” songstress.

Taylor Swift and Travis Kelce continue to make headlines with their whirlwind romance, sharing big moments on and off the stage and the field. Taylor has seamlessly bonded with Travis’ family, especially with his sister-in-law Kylie Kelce, and has been spotted at family gatherings, games and even grabbing lunch in matching merch with Travis.