she has never sung with mac miller but she has sang with b.o.b and eminem
musicvixen.com
For A Pessimist, I'm Pretty Optimistic
She sang backing vocals on the song Crushcrushcrush.
Zedd featuring Hayley Williams of Paramore
Paramore's song "Born For This" was written by Hayley Williams and Josh Farro as a 'thank you' to their fans.
yes, she featured in the song Airiplaines pt1 and pt2 [+ it is Eminem, not m and m]
hayley Williams and bob
B.O.B and hayley Williams
B.O.B Hayley Williams did a FANTASTIC job in the song.
musicvixen.com
The band did have some tensions which Hayley sings about in the song "Ignorance," but things are better now and Hayley does not hate her bandmates.
smile back
For A Pessimist, I'm Pretty Optimistic
She sang backing vocals on the song Crushcrushcrush.
Zedd featuring Hayley Williams of Paramore
Who sing the song Frankie?
He did indeed.