Beverly News / Rex / Rex USA 1 / 10
Beverly News / Rex / Rex USA 1 / 10

Bruce Jenner has secretly stepped up his social media game.

Most of Bruce's children and step children are well-acquainted with Instagram, each having millions of followers, but the family patriarch hasn't jumped on the social media train… Or has he?

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"My stepdad has a secret account," Kim told The Hollywood Reporter. "He told me that he set it up so he can see what my sisters are doing, too."

Bruce, you sly dog!

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Like Bruce, Kim said she, too, uses Instagram to keep up with her sisters.

"Being a big sister, I want to know what's going on in [my sisters'] lives," she said. "I can look on Instagram and be comforted in knowing where Kendall is."

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Kim, to nobody's surprise, has more Instagram followers than any other family members, so maybe she could teach Bruce a thing or two about the photo-sharing site.

"I don't have help," she told the mag. "No one else runs my social media. It's whatever I feel like posting. From collages and screen grabs and cropping, it's a whole process, and I do it. I also don't do filters. I can't ever figure it out, and I don't like the way they look, so I'd rather not bother."