"I'm such a down-to-earth girl, I'm comfortable in just a jersey and boy's underwear," the Voice coach tells the magazine. "Trying too hard to be sexy is the worst thing you can do. Sexiness should be effortless."
Well, she's certainly proving that here as she easily manages to show off her slimmed-down look.
And while Aguilera has made a name for herself thanks to an amazing ability to belt out a tune, the Grammy winner insists a guy doesn't need to be able to sing to turn her on.
"Not at all! The quickest way for me to feel weird and run for the hills is if somebody sits down and serenades me with a guitar. It's not my thing," says Aguilera, who has been dating Matthew Rutler for a couple of years now.
No doubt a guitar and serenade-free relationship.