Along with whom Brittany Jean Carlson wrote the song "If I Were a Boy"?
If I Were a Boy: "If I Were a Boy" is a song performed by American singer and songwriter Beyoncé from her third studio album "I Am... Sasha Fierce" (2008). If I Were a Boy:  It was written by BC Jean and Toby Gad, who also handled its production alongside Beyoncé.
i don't know