Article continues below advertisementBlondes have more fun!Brittany Mahomes is still in the process of sharing memorable moments from when she celebrated her 30th birthday on August 31 with several shindigs. Her most recent Instagram upload came on the night of Thursday, September 4, and included pal Taylor Swift.Article continues below advertisementBrittany Mahomes Celebrates Birthday With Taylor Swift and More FriendsSource: @brittanylynne/instagramTaylor Swift playfully rested her drink on birthday girl Brittany Mahomes' head in a new photo.