Hilary Duff and her ex, Mike Comrie, put on a united front over the weekend to celebrate their son’s third birthday.
The singer/actress ‘ sister, Haylie Duff, posted photos on Instagram from the bash.
On Saturday, the aunt – who is a mom-to-be herself – could be seen munching on cupcakes with Hilary.
Haylie Duff posted this photo eating cupcakes with sister Hilary Duff at Luca’s third birthday party on March 21, 2015 (Instagram)
Watch: Haylie Duff Shares Baby Shower Details
“Going hard for Luca’s 3rd birthday. @hilaryduff,” she captioned the pic.
In another photo, …
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