"I think he (Justin) loves it all. There's nothing I love more than when he walks in the room and his jaw drops or he compliments how incredible she looks," Reilly said in an interview with E! News.
Hailey, who is married to pop star Justin Bieber, added that she thinks "being able to share that world with somebody that understands it even better than I do has been so helpful".
"My eyes are 4 you. My heart is 4 you. My soul is 4 you. My love is 4 you. I am Home wherever you are. You are my safe place," wrote the 'Sorry' star alongside lovely pictures on Instagram.