Okay, we don't wanna start any rumors, but…
Is it possible she's growing a little Paris/River hybrid inside her uterus???
Or maybe she just had a 16oz. diet Coke on her way to the party.
ANYWAY! The heiress looked dainty in a short-sleeved contrast lace dress, tights, and Charlotte Olympia heels, while River was effortlessly cool in jeans, leather jacket, and James Dean graphic tee.
Yup! We totally see the resemblance!
Don't wait too long to make babies, you two!
[Image via Travis Wade/WENN.]