© 2026 ABC News

Koma shared the same photo on Instagram, writing in part: \"We welcome a beautiful daughter, little sister, and best friend for life. Could not possibly be more grateful for our growing family and for the [peach] who makes it all possible. Cloud ten.\"

View this post on Instagram

Banks Violet Bair /// 10.25.18 /// We welcome a beautiful daughter, little sister, and best friend for life. Could not possibly be more grateful for our growing family and for the ?? who makes it all possible. Cloud ten.

A post shared by Matthew Koma (@matthewkoma) on Oct 29, 2018 at 6:38pm PDT

Banks is the couple's first child together.

Duff shared the news of her pregnancy back in June on Instagram, stating they were expecting \"a little princess.\"

The \"Younger\" actress is also a mother to her 6-year-old son, Luca Cruz, from her previous marriage to Mike Comrie.

Koma and Duff have been dating since 2017.

","canonicalUrl":"https://abcnews.com/GMA/Culture/hilary-duff-welcomes-daughter-boyfriend-matthew-koma/story?id=58841149","legacySlug":"/culture/story/hilary-duff-welcomes-daughter-boyfriend-matthew-koma-58841149","noIndexNoFollow":false},"publishTime":"04:38","publishDate":"10-30-2018","updatedTime":"13:59","updatedDate":"10-30-2018","socialImage":{"alt":"Hilary Duff attends the \"Younger\" Season 5 Premiere Party at Cecconi's Dumb0, June 4, 2018 in Brooklyn, New York.","credit":"Jamie McCarthy/Getty Images","ratio":"16x9","url":"https://s.abcnews.com/images/Entertainment/hilary-duff-02-as-gty-180608_hpMain_16x9_1600.jpg","width":992,"height":558},"datePublished":"10/30/2018 04:38:00 GMT","video":{"live":false,"id":58841149,"headline":"Hilary Duff welcomes daughter with her boyfriend","mediaAssetTitle":"Meltzer_Hilary Duff Baby Announcement_181029","description":"Hilary Duff and boyfriend Matthew Koma have welcomed a baby girl into the world.","duration":"5:31","posterImg":{"url":"https://s.abcnews.com/images/GMA/default-img-undefined.png","width":608,"height":342},"video":{"feed":"https://service-pkgabcnews.akamaized.net/opp/hls/abcnews/2017/06/170619_gma_breakfast_830_,500,800,1200,1800,2500,3200,4500,.mp4.csmil/playlist.m3u8"},"playlist":["136522197","136167797","136138471"]},"relatedItems":[{"contentType":"video","date":"September 17, 2026","headline":"Travis Kelce victimized by Ponzi scheme, prosecutor says","section":"News","slug":"/video/136522197","id":"136522197","image":{"alt":"VIDEO: Travis Kelce victimized by Ponzi scheme, prosecutor says","credit":"ABCNews.com","ratio":"1x1","url":"https://s.abcnews.com/images/GMA/260917_gma_katersky1_hpMain_1x1_608.jpg","width":384,"height":384},"images":{"alt":"VIDEO: Travis Kelce victimized by Ponzi scheme, prosecutor says","credit":"ABCNews.com","crops":[{"16x9":{"small":"https://s.abcnews.com/images/GMA/260917_gma_katersky1_hpMain_16x9_608.jpg","medium":"https://s.abcnews.com/images/GMA/260917_gma_katersky1_hpMain_16x9_992.jpg","large":"https://s.abcnews.com/images/GMA/260917_gma_katersky1_hpMain_16x9_1600.jpg"}},{"9x16":{"small":"https://s.abcnews.com/images/GMA/260917_gma_katersky1_hpMain_9x16_608.jpg","medium":"https://s.abcnews.com/images/GMA/260917_gma_katersky1_hpMain_9x16_992.jpg","large":"https://s.abcnews.com/images/GMA/260917_gma_katersky1_hpMain_16x9_1600.jpg"}},{"1x1":{"small":"https://s.abcnews.com/images/GMA/260917_gma_katersky1_hpMain_1x1_608.jpg","medium":"https://s.abcnews.com/images/GMA/260917_gma_katersky1_hpMain_1x1_992.jpg","large":"https://s.abcnews.com/images/GMA/260917_gma_katersky1_hpMain_1x1_1600.jpg"}}]}},{"contentType":"video","date":"September 3, 2026","headline":"Staffer injured, gunman dead in shooting at VA elementary school ","section":"News","slug":"/video/136167797","id":"136167797","image":{"alt":"VIDEO: Thomas VA. Shooting","credit":"ABCNews.com","ratio":"1x1","url":"https://s.abcnews.com/images/GMA/260903_gma_thomas_hpMain_1x1_608.jpg","width":384,"height":384},"images":{"alt":"VIDEO: Thomas VA. Shooting","credit":"ABCNews.com","crops":[{"16x9":{"small":"https://s.abcnews.com/images/GMA/260903_gma_thomas_hpMain_16x9_608.jpg","medium":"https://s.abcnews.com/images/GMA/260903_gma_thomas_hpMain_16x9_992.jpg","large":"https://s.abcnews.com/images/GMA/260903_gma_thomas_hpMain_16x9_1600.jpg"}},{"9x16":{"small":"https://s.abcnews.com/images/GMA/260903_gma_thomas_hpMain_9x16_608.jpg","medium":"https://s.abcnews.com/images/GMA/260903_gma_thomas_hpMain_9x16_992.jpg","large":"https://s.abcnews.com/images/GMA/260903_gma_thomas_hpMain_16x9_1600.jpg"}},{"1x1":{"small":"https://s.abcnews.com/images/GMA/260903_gma_thomas_hpMain_1x1_608.jpg","medium":"https://s.abcnews.com/images/GMA/260903_gma_thomas_hpMain_1x1_992.jpg","large":"https://s.abcnews.com/images/GMA/260903_gma_thomas_hpMain_1x1_1600.jpg"}}]}},{"contentType":"video","date":"September 2, 2026","headline":"US launches new strikes on Iran amid gas price crunch for Labor Day","section":"News","slug":"/video/136138471","id":"136138471","image":{"alt":"VIDEO: US launches new strikes on Iran amid gas price crunch for Labor Day","credit":"ABCNews.com","ratio":"1x1","url":"https://s.abcnews.com/images/GMA/260902_gma_bruce_iran3_706_hpMain_1x1_608.jpg","width":384,"height":384},"images":{"alt":"VIDEO: US launches new strikes on Iran amid gas price crunch for Labor Day","credit":"ABCNews.com","crops":[{"16x9":{"small":"https://s.abcnews.com/images/GMA/260902_gma_bruce_iran3_706_hpMain_16x9_608.jpg","medium":"https://s.abcnews.com/images/GMA/260902_gma_bruce_iran3_706_hpMain_16x9_992.jpg","large":"https://s.abcnews.com/images/GMA/260902_gma_bruce_iran3_706_hpMain_16x9_1600.jpg"}},{"9x16":{"small":"https://s.abcnews.com/images/GMA/260902_gma_bruce_iran3_706_hpMain_9x16_608.jpg","medium":"https://s.abcnews.com/images/GMA/260902_gma_bruce_iran3_706_hpMain_9x16_992.jpg","large":"https://s.abcnews.com/images/GMA/260902_gma_bruce_iran3_706_hpMain_16x9_1600.jpg"}},{"1x1":{"small":"https://s.abcnews.com/images/GMA/260902_gma_bruce_iran3_706_hpMain_1x1_608.jpg","medium":"https://s.abcnews.com/images/GMA/260902_gma_bruce_iran3_706_hpMain_1x1_992.jpg","large":"https://s.abcnews.com/images/GMA/260902_gma_bruce_iran3_706_hpMain_1x1_1600.jpg"}}]}}],"relatedContentSection":"news","schemaContent":{"name":"Hilary Duff welcomes daughter with her boyfriend","description":"Hilary Duff and boyfriend Matthew Koma have welcomed a baby girl into the world.","duration":"5:31","uploadDate":"10-30-2018","publication":"10-30-2018","images":"https://s.abcnews.com/images/GMA/default-img-undefined.png","url":"https://service-pkgabcnews.akamaized.net/opp/hls/abcnews/2017/06/170619_gma_breakfast_830_,500,800,1200,1800,2500,3200,4500,.mp4.csmil/playlist.m3u8","contentUrl":"https://service-pkgabcnews.akamaized.net/opp/hls/abcnews/2017/06/170619_gma_breakfast_830_,500,800,1200,1800,2500,3200,4500,.mp4.csmil/playlist.m3u8","link":"https://www.goodmorningamerica.com/culture/story/hilary-duff-welcomes-daughter-boyfriend-matthew-koma-58841149"}},"playlist":[{"id":"136553132","contentType":"story","section":"news"},{"id":"136553226","contentType":"story","section":"news"},{"id":"136557362","contentType":"story","section":"news"},{"id":"136480407","contentType":"story","section":"news"},{"id":"136499152","contentType":"story","section":"news"},{"id":"136340119","contentType":"story","section":"news"},{"id":"136351654","contentType":"story","section":"news"},{"id":"136345786","contentType":"story","section":"news"},{"id":"136309285","contentType":"story","section":"news"},{"id":"136312798","contentType":"story","section":"news"},{"id":"136301180","contentType":"story","section":"news"},{"id":"136298965","contentType":"story","section":"news"},{"id":"136281904","contentType":"story","section":"news"},{"id":"136272199","contentType":"story","section":"news"},{"id":"136258585","contentType":"story","section":"news"},{"id":"136253720","contentType":"story","section":"news"},{"id":"136206646","contentType":"story","section":"news"},{"id":"136207221","contentType":"story","section":"news"},{"id":"136153308","contentType":"story","section":"news"},{"id":"136187449","contentType":"story","section":"news"}],"kvps":{"pgtyp":"article","lang":"en","sp":"goodmorningamerica","programmatic":"true","bundleId":"com.abcnews"}},"analytics":{"accountID":"wdgnewwdgnewgmaweb","ns":"gma","pageName":"gma:culture:video","pageType":"video","globalSpecVersion":"v1.08","siteDifferentiator":"gma:site","tagID":"g_page01","userABCookie":"0","section":"culture","title":"Hilary Duff welcomes daughter with her boyfriend","pubTime":"00:38","pubDate":"10-30-2018","modTime":"09:59","modDate":"10-30-2018","taxonomyTags":"none","id":58841149,"editorialOtherSubjects":"","wordCount":"none","columns":"none","authors":"","authorsUnit":"none","authorsBureau":"none","subBrand":"Good Morning America","provider":"Good Morning America","videoName":"Hilary Duff welcomes daughter with her boyfriend","mediaAssetTitle":"Meltzer_Hilary Duff Baby Announcement_181029","videoId":58841149,"mediaOnPage":"video","legacySlug":"/culture/story/hilary-duff-welcomes-daughter-boyfriend-matthew-koma-58841149"},"taboola":{}},"request":{"headers":{},"httpVersion":"1.1","method":"GET","url":"/video/58841149","vary":{"host":"www.goodmorningamerica.com","cached":true,"path":"/video/58841149","forwarded-proto":"https","device":"desktop","userab":"0"}},"viewport":{"width":1260,"height":0},"user":{}};