She posted a precious photo with boyfriend Matthew Koma and their bundle of joy, writing, “Banks Violet Bair this little bit has fully stolen our hearts! She joined our world at home on Thursday afternoon and is absolute magic.” Koma added the same photo, saying, “Banks Violet Bair /// 10.25.18 /// We welcome a beautiful daughter, little sister, and best friend for life. Hilary and Matthew also shared precious photos of their baby on their Instagram Story.