Tegan and Sara is the latest act to join Taylor Swift on stage at one of her concerts.
The duo has posted an Instagram photo of themselves performing their song "Closer" with Taylor at the Staples Center Tuesday night.
Tegan and Sara tweeted , "Feeling so freaking lucky to have shared the stage with @taylorswift13 to perform #closer We vote Taylor for president. What a #heartthrob."
Swift frequently invites special guests to join her on stage at her concerts. Recent guests include Carly Simon , Train , and the rapper Nelly .
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