Jason Kelce is far from the only one excited Taylor Swift is joining the family ... the retired football star's wife, Kylie, who says their daughters are thrilled they'll soon have a superstar aunt!
Kylie -- who tied the knot with Jason in 2018 -- shared her kids' reaction to the engagement news during a "Good Morning America" interview.
"The girls are thrilled," Kylie said on Friday.
"They're so excited they're getting another aunt.