Former child star Hilary Duff is now a mother of two!
The Lizzie McGuire alum and her musician boyfriend Matthew Koma welcomed the newest member of their family on October 25.
The bundle of joy's arrival comes four months after Duff, 31, announced that she and Koma, whose birth name is Matthew Bair, "made a princess of our own."
The proud mom shared the happy news on her Instagram page this week, revealing that she delivered her daughter at home and she is "absolute magic."
"This little bit has fully stolen our hearts! She joined our world at home on Thursday afternoon and is absolute magic," Duff wrote in the caption.
Koma, a first-time dad, also shared a sweet post on social media, celebrating his growing family.
"We welcome a beautiful daughter, little sister, and best friend for life," he wrote on Instagram. "Could not possibly be more grateful for our growing family and for the ðŸŠ who makes it all possible. Cloud ten."
The Younger star, who called her daughter "baby b" throughout the pregnancy, previously promised that the little girl's name would be very unique but not weird. She certainly did not disappoint.
Duff and Koma named their daughter Banks Violet Bair.
The name may not come as a surprise to those who are close to the couple. In an exclusive interview with People, the actress and singer revealed that the name was the first thing they decided on after finding out they were expecting.
"We've known her name for a really long time," Duff said. "Her name starts with a B, and I keep calling her baby B, which is awesome because people are like, "˜Oh, no, it's just because of his [Koma] last name.'"
She added, "We actually agreed. We had one name picked out and then we swapped a week later and we haven't discussed it since. It's unique but it's not too weird. The name that we first thought we were gonna use is going to be her middle name, so we're like, "˜Let's not stress over this anymore.'"
In a separate interview on The Late Late Show With James Corden, Duff revealed that her six-year-old son Luca, who she shares with ex-husband and former NHL player Mike Comrie, also offered up potential names.
"We're up for any kind of suggestions, but Luca thinks Cofant Croissant is, like, the coolest name," she said.
In addition to her big brother, Banks joins cousins Ryan Ava Erhard and Lulu Gray Rosenberg.
Ryan, 3, and Lulu, 4 months are the daughters of Duff's sister and Our Lips Are Sealed duet partner, actress Hailey, and her fiance Matt Rosenberg.