Article continues below advertisementJason KelceSource: MEGATaylor Swift and Travis Kelce announced their engagement on August 26. Taylor Swift and Travis Kelce's potential bridal party could include their family and closest friends!First on the list would be the Kansas City Chiefs star's brother, Jason Kelce. An avid Tayvis shipper, the football center called his sibling his "best friend on the planet.""Travis and I have been close for a long time," he told reporters during a golf event in Lake Tahoe in July, per Starcade Media.