Selena Gomez Celebrates 33rd Birthday with Benny Blanco and Taylor Swift! - TMZ.com

Selena Gomez celebrated her 33rd day with her fiancé, Benny Blanco, and immoderate adjacent friends -- and she had a precise peculiar guest, too. Taylor Swift showed up to her BFF's bday bash Sunday with a 1970s "Saturday Night Fever" taxable -- and…