Who is dani from some of the Red Hot Chili Peppers songs?

in stadium arcadum special edition. it has the DVD and the band are discussing about every song in tht CD. and it's actually just a girl when he is teling a story. for example you heard "dani the girl is singing songs to me beneath the marquee..." from by the way in the CD by the way. he just mentioned her again in dani California. it's not a real girl he knows.