Hilary Duff hosted a music class for the babies of her famous friends The 33-year-old actress and her three-month-old daughter Mae - who she has with husband Matthew Koma - hosted a playdate at their Los Angeles home, where they were joined by Mandy Moore and her five-month-old son August, Ashley Tisdale and her three-month-old daughter Jupiter and Meghan Trainor and her five-month-old baby Riley, on Sunday (18.07.21) 21 July 2021 Hilary shared some photos from the class - which also included food blogger Gaby Dalkin and her six-month-old daughter Poppy, and make-up artist Kelsey Deenihan Fisher and her four-month-old baby, who is also named Poppy - on her Instagram story on Sunday (18.07.21), and some of the other famous moms followed suit.