Holmes then shared another photo of herself with her sister. "#tbt my sister and me 💕 #girlpower #sisters #family #love #ohio," the actress captioned the photo.
Just days earlier, Holmes shared a rare photo of Suri, 10, who she shares with ex-husband Tom Cruise.
In the past, Katie has spoken about the importance of raising Suri, and how she looks to her own mum, Kathleen, for parenting advice.
"She's just so kind and has such a pure heart; she really leads with those two qualities, so I try to do the same," she told PEOPLE at the Sept. 8 opening of the restaurant Avra Madison in New York City.
"She's just so kind and very generous, so I try my best to embody that and pass that on to my own daughter," Holmes said.
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