Taylor Swift Plays Bridesmaid At Friend's Wedding

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Taylor Swift was seen at her best friend Abigail Anderson's wedding on Saturday. That's the same Abigail who she went to high school with and wrote the 2009 hit, Fifteen, about.

The 27-year-old looked stunning in a halter maroon gown with an A-line bottom as she tended to her pretty blonde friend at the splashy nuptials in Martha's Vineyard, a Massachusetts island that sits in the Atlantic Ocean just south of Cape Cod.

The pop star - who just released her revenge song Look What You Made Me Do earlier this week - seemed to keep her head down as she stayed behind the bride while they walked into a church.

Taylor wore her medium-length blonde hair down and in soft curls. She also had long bangs and matched her wine-colored lip to match her floor-length dress and had on flattering dark eye makeup.