Taylor Swift was at the top of the star-studded guest list for Selena Gomez and Benny Blanco's wedding. Swift, 35, attended the nuptials of the Only Murders in the Building star, 33, and the record producer, 37, on Saturday, September 27, a source exclusively confirms to Us Weekly. According to the insider, Swift also was present for the couple's rehearsal dinner held one day earlier on Friday, September 26. Gomez walked down the aisle on Saturday in a custom Ralph Lauren gown with her maternal grandfather by her side, meeting Blanco on the other side to exchange vows.