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A reader sends us a very special Page Six sighting:

Chelsea Clinton and Monica Lewinsky in Soho House last night at different ends of the lounge.

Whoa. We didn't know Soho House was still open! And we can only imagine how things went down in the ladies' room:

Monica: Um, this is awkward.
Chelsea: Yeah.
Monica: Come on, Chelsea—can't we get past this? Aren't we ever going to be friends?
Chelsea: No, Monica. You humped my dad's Cristo.
Monica: But I brought analingus to the forefront of national consciousness. Surely that's helped things with you and Ian!
Chelsea: Stay the hell away from my boyfriend.

Sightings... [Page Six]