Selena Gomez on The Cover of Teen Vogue's September Issue (Photo : Teen Vogue Official Website)

Justin Bieber Covers Rollacoaster Summer 2012‎ (Photo : Official Website)

Selena Gomez looks sexy on the cover of Teen Vogue's September issue and talks about her relationship with Justin Bieber stating she feels 'lucky' to have him by her side.

Despite constants reports of trouble in Selena Gomez and Justin Bieber's relationship, Gomez clarifies that all's well between the two as Teen Vogue catches up with the Disney star for a September issue cover story.

Gomez says her relationship with Bieber is "really fun" and feels "lucky" to have him by her side.

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"I'm 20. I don't take anything in my personal life too seriously," Gomez said.

"I have great friends and a solid group of people I love. I feel like everything else will come organically."

When asked if she's playing to take things to the next level in her relationship like Miley Cyrus and Liam Hemsworth did in June, Gomez says, "Marriage and all that other stuff I think will happen once I feel accomplished in every other aspect of my life."

However, Gomez does plan to take her music career to the next level and hopes to work with Justin Timberlake someday soon.

"I don't think he ever would - I don't even think he's doing music anymore - is Justin Timberlake," she said, gushing, "Just 'cause I love his music sooo much."

Boyfriend Justin Bieber  seems to follow suit as he steals a million more hearts as he posing for a picture to cover of Rollacoaster Summer 2012‎

Bieber has ditched the baggy pants, side-swept hair and the oversized cap for this photo. The 18-year old has gone from fashion flop to fashionably fabulous with his incredibly stunning get up for Rollacoaster magazine. Rocking the leather and denim kicks similar to the looks he boasts for "Believe" worldwide tour, Justin Bieber has got everyone wishing he were their "Boyfriend".

"Each time I break a record, I'm always happy," shared Justin Bieber, adding, "With my YouTube stuff, 'Baby' has more views than any video - ever. So my next goal is to reach one billion views on a video."