Reese Witherspoon’s Daughter Ava Phillippe Shared Heartbreaking Family News.Phillippe shared on Instagram that thefamily dog, Pepper, has passed away.She shared a series of photos, writing, "Today is a tough day. Our sweet girl, Pepper, passed away last night from an aggressive cancer, whichshe’d been battling for months now.".Phillippe, 21, shared that "she passed peacefully, surrounded by those who love her.".Witherspoon followed up with her own post, writing, "My goodness, she was such a loyal and devoted family member.".I am so heart broken, but I am also deeply grateful for all the love and comfort she brought our family. Now she’s in dog heaven…Chasing tennis balls, running through open fields of wild flowers and being the Queen that she is. , Reese Witherspoo