"We live in a world today where if two people are single — and one's a guy and one's a girl and they're both famous — you're going to be linked with somebody," the 22-year-old actress tells Seventeen magazine's May issue, on newsstands Tuesday.
"If it's somebody one week, it's going to be somebody else the next week. It's either me or Jessica Biel," Johansson says with a laugh.
Johansson, who broke up with Josh Hartnett last fall, says she's not focused on finding another boyfriend. If she were in a relationship, the actress says she'd create a sense of mystery.
What does Johansson, whose screen credits include "Lost in Translation," "Girl With a Pearl Earring" and "Match Point," like most about herself?
"Other than my ability to do the running man (dance) and the fact that I can sing all the words to Salt-N-Pepa songs? I think it's that I find beauty in unusual things, like hanging your head out the window or sitting on a fire escape."