"Being a big sister, I want to know what's going on in [my sisters'] lives. I can look on Instagram and be comforted in knowing where Kendall is," she explains. "My step dad has a secret account. He told me that he set it up so he can see what my sisters are doing, too."
Perhaps Kim was showing him the Instagram ropes last night when she posted a photo from his Malibu pad.
One thing Kanye West's wife is not a fan of is using filters. "I also don't do filters," she says. "I can't ever figure it out, and I don't like the way they look, so I'd rather not bother."
Are you surprised to hear that Kim is against filters and that Bruce has a secret Insta?
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Gallery | Bruce Jenner: A Photo Timeline