Haylie didn't tag along on the vacation because she's a new mom to her adorable daughter, Ryan, whom she welcomed in May with her fiancé, Matt Rosenberg.
See Hilary and Haylie's sisterly love above, then check out Hilary's cutest moments with Luca.
“They started as friends and are now full-on dating. Haylie and Mike always had a great relationship, and Mike and Matt are friendly.
A whole new chapter in life is about to begin for Haylie Duff.
Hilary and Haylie both flashed massive smiles for photographers as they left a taping of Good Day New York.