It looks like Ashley Tisdale is starting her own mom group... with her ex-friend Hilary Duff's own estranged sister! Following the messy fallout from her mom group drama essay with The Cut, the High School Musical alum was hanging out with Haylie Duff! The 40-year-old food blogger took to Instagram Stories on Tuesday to post a photo of her 7-year-old daughter Lulu playing under a table with Ashley's 4-year-old daughter Jupiter. She captioned the sweet photo: "Under table shenanigans.