Taylor Swift jokes she's 'third wheel' after fan proposes to girlfriend in front of her

Taylor Swift got the surprise of her life on Friday after two of her fans got engaged right in front of the crooner following her concert in Philadelphia.

The pop star, 28, documented the unforgettable moment on her Instagram.

"They walk into the meet and greet and he says, 'We met five years ago at the Red Tour' and then …..[a number of cat with heart eye emojis] #thirdwheel," she captioned the Instagram post. She also included a picture of the man kneeling in front of his girlfriend while a shocked Swift stood in the back.

The groom, known as Anthony, tweeted about the special moment.

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