Alicia Keys has seen aliens and isn't against heading to space, the multi-Grammy winner revealed in a lighthearted interview with Buzzfeed. Asked plainly if she believed in aliens, the New Yorker responded, "Yeah I do," with a laugh.

"I’ve met some serious aliens in my life, for sure," said Keys. "I’m sure you’ve seen a UFO. Haven’t all of us seen something flying in the sky, and it’s at some random time of night that doesn’t make sense, and it’s not the shape of a plane?"

There are rules to space travel, though, she said. The energy has to be right. "I don’t know if I’d go with an alien to space. I would have to feel the alien's vibe. I'm a vibe person. If it was ET, I may go [laughs]."

Provided that she's invited to break through the Earth's atmosphere, the "Superwoman" singer's phobia could be an issue. "I’m secretly afraid of heights," Keys admitted recounting a roller-coaster ride at Six Flags Great Adventure. She of course travels the globe via airplanes, but explained that the fear is more about a potential free fall. "Roller-coaster heights, hanging from something really high. I’m just really freaked out."

Otherworldly creatures and facing fears isn't the only thing Keys has on the brain. The mother of 2-year-old son Egypt Daoud Dean is executive producing the movie The Inevitable Defeat of Mister & Peete starring Jennifer Hudson and is gearing up to host her annual Keep A Child Alive charity black ball in New York City next month. This year is the organization's 10-year celebration.    

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(Photo: Andrew H. Walker/Getty Images)