Cara Delevingne isn't bisexual for the time being -- she's in it for the long haul.

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During her latest interview, the Paper Towns actress opened up about her sexual preference, and gushed over her current girlfriend, musician St. Vincent.

"My sexuality is not a phase," Delevingne told The New York Times on Thursday. "I am who I am."

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Delevingne, whose been linked to the likes of Kendall Jenner, Michelle Rodriguez and Selena Gomez, in the last couple of years, went on to reveal how her relationship with St. Vincent has made her a better actress.

"Being in love helps, you know?" she said. "If you're in love with someone, you can be with them like no one else is in the room. Acting is like that. It's like taking that feeling and turning it on so nothing else matters when you're looking in another actor's face."

Delevingne also spoke highly of St. Vincent during an interview with Vogue.

"I think that being in love with my girlfriend is a big part of why I'm feeling so happy with who I am these days," she told Vogue for their July 2015 issue. "It took me a long time to accept the idea, until I first fell in love with a girl at 20 and recognized that I had to accept it."

Below is a video of Delevingne and her girlfriend leaving a nightclub in Cannes earlier this year.

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