During her chat with Ellen, Ariana explained her love of the spooky holiday, saying, "I am way into Halloween," even dishing on when her mom smeared fake blood all over the walls.
The highlight of her appearance, however, had to be her game of "Ari Smells Ari," in which she had to sniff out her fragrance from a lineup of people, two of whom were shirtless!
Ariana said at one point, while feeling her way around his upper body, "That's a nipple!," telling the guy, "Your heart is beating so fast!"
This is the cutest.
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Gallery | Controversial Celebrity Halloween Costumes