I tend to fall in line with @MistressOfMayhem it changes every hour or day. I guess my #1 will always be Edge of Glory. But I do love Marry Jane Holland, Gypsy, Summerboy, MANiCURE, Stupid Love, The entire Joanne & Mayhem albums.
For me it changes every hour or smth lol but atm my fav songs are LoveDrug, Aura, 911, Donatella, Swine, Judas, Heavy Metal Lover, Dont call tonight and How bad do u want me