In a "25 Things You Don't Know About Me" piece for Us Weekly, Katy revealed her belief in aliens and says that she has a ticket to outer space!
Some of the other interesting facts about the "Roar" singer are that she's going to be an aunt, she was in a bad car wreck when she was 13 and that she's friends with Stevie Nicks.
She also says that she's never had any plastic surgery and confirmed the rumors that she does, in fact, brush her teeth four to six times a day.
Perhaps the cutest thing Katy revealed was that she carries a teddy bear around the world with her.
You can read all of the other facts about Katy here, including her favorite comfort food, what's on her bucket list and the body part she pierced herself when she was a teenager!