"Airplanes" was composed by B.o.B, Jeremy "Kinetics" Dussolliet, Tim "One Love" Sommers, DJ Frank E, Alex "da Kid" Grant, and Christine Dominguez.
Williams' appearance in the song was explained by herself and B.o.B in different interviews to MTV. Williams said Paramore was on tour when she was given the song and she "liked the part too much" and accepted to appear on it [REF].