Article continues below advertisementAshley Park knows just how rare it is to form a lifelong bond on the set of a TV show - which is why she doesn't take her friendship with Emily in Paris costar Lily Collins for granted."The thing we say to each other every day, like truly every day, is that we are so lucky because we do love each other so much," the famed actress tells OK! of her connection with Collins during an exclusive interview ahead of the Netflix series' Season 5 premiere on Thursday, December 18.