1/12
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Taylor Swift
The pop star arrives at the SNL after-party.
2/12
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Joe Jonas
The singer and Taylor's ex heads to the after-party.
3/12
Gotham/GC Images
Sophie Turner
The actress joins husband Joe Jonas at the after-party.
4/12
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Ryan Reynolds, Blake Lively and Taylor Swift
The couple joins the singer at the after-party.
5/12
Gotham/GC Images
Cara Delevingne
The model and actress arrives at the after-party.
6/12
Gotham/GC Images
Anya Taylor-Joy
The Queen's Gambit star arrives at the after-party.
7/12
Gotham/GC Images
Keenan Thompson
The SNL star appears at the after-party.
8/12
Gotham/GC Images
Colin Jost
The SNL star heads to the after-party.
9/12
Will Heath/NBC/NBCU Photo Bank via Getty Images
Taylor Swift
The singer performs her extended, 10-minute version of "All Too Well" on SNL.
10/12
Will Heath/NBC/NBCU Photo Bank via Getty Images
Taylor Swift
The singer performs on SNL.
11/12
Will Heath/NBC/NBCU Photo Bank via Getty Images
Taylor Swift
The singer performs on SNL.
12/12
Rosalind O'Connor/NBC
Bowen Yang, Taylor Swift, Jonathan Majors and Aidy Bryant
Cast members Bowen and Aidy appear in an SNL promo with Taylor and the host.