Caitlyn Jenner wished Kris a happy 60th birthday in her own special way ... and everyone at the party thought it was great.
During Kris' bash, a video montage was shown with a bunch of Kris' family and friends. Caitlyn appears in the video in a bubble bath with a glass of champagne. It's unclear exactly what she says ... but it sounds like, "I love my friend."
While it's still unclear if Caitlyn was at Kris' Great Gatsby themed party, she certainly left an impression.
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