Hilary Duff welcomes daughter Banks Violet with boyfriend Matthew Koma

The Associated Press
Hilary Duff

LOS ANGELES (AP) — Hilary Duff is celebrating the birth of her daughter.

The 31-year-old actress and singer and her boyfriend, Matthew Koma, announced the news Monday on Instagram.

Banks Violet Bair, the couple's first child together, was born on Oct. 25.

"This little bit has fully stolen our hearts!" Duff captioned the poignant Instagram shot of her cradling her newborn in her arms. "She joined our world at home on Thursday afternoon and is absolute magic."

In addition to her new bundle of joy, Duff has a son from her previous marriage to former professional hockey player Mike Comrie.