Saturday Night Livestar Vanessa Bayer017 Archivesknown for her uncanny impression of Jennifer Aniston's Rachel from Friends, and on Weekend Update this week, she dusted off her wig for another parody of the beloved character.

Everything was going well until the real Aniston showed up -- ostensibly to visit Bayer, since the two co-starred in the upcoming Office Christmas Party.

Aniston gently reminded Bayer that Friendswas on air "five million and five years ago," and suggested she should probably move on.

Looking disappointed, Bayer offered, "I just thought... because I do this great bit as Rachel..."

"Is ita great bit, though?" Aniston asked her with a grimace, before launching into an impression of Vanessa's impression, leading to a spectacular battle of the Rachels.

It's hard to tell the difference, right?

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International viewers can catch the clip here.