Guest Stars Emmy Rossum as Herself Betty White as Herself Miley Cyrus as Herself Scarlett Johansson as Herself Whitney Cummings as Herself Cesar Millan as Himself Kathy Griffin as Herself Paula Abdul as Herself Kesha as Herself Randy Jackson as Himself Wendie Malick as Herself Zendaya as Herself Olivia Munn as Herself Zachary Levi as Himself Andy Cohen as Himself Carrie Ann Inaba as Herself Sia as Herself Hilary Swank as Herself Linda Blair as Herself Ricky Gervais as Himself Chelsea Handler as Herself Ross Mathews as Himself Stevie Wonder as Himself Andra Day as Herself Emmylou Harris as Herself Dwight Yoakam as Himself Brandon McMillan as Himself