Jordin Althaus/E! Entertainment
Busy Philipps, Busy Tonight
The E! late-night talk show host went with a leopard costume while her guest and Will and Grace star Megan Mullally wore cat ears.
ABC/Lorenzo Bevilaqua
Whoopi Goldberg, The View
The longtime host explained the next day on GMA, she went out as Vamperina because her great-granddaughter told her to.

