Selena Gomez is definitely transforming from her Disney princess role to a Diva in the making. Her outfit at her Puerto Rican Concert proves just that and it's not only her lovely legs she gets to flaunt.

The 19-year old singer is growing up pretty fast and though fans won't get to see much of her on Disney, they'll definitely get to see more of her on her World Tour.

Despite having announced that she'd be taking a break from the music industry, Justin Bieber's' girlfriend is still rocking the music scene and she's creating waves while she's at it.

Selena Gomez took to the stage at her Puerto Rico concert in a stunning and not to mention sexy number. The singer wore a blue dress featuring a plunging neckline, a slinky skirt highlighting her shapely, long legs and sequined hot pants. Her purple and blue highlights added to her onstage look. It doesn't take much to prove she is one hot "Mamacita".

It isn't the first time for Gomez to hit the stage in a mullet-esque style gown. She has been hitting the red carpet wearing even more sexy numbers. This proves that former Disney stars do have the fondness over baring a lot of skin when they hit it up on stage. While, Selena may not be the first Disney princess to bare her legs and more on stage it is quite a provocative move a few fans were surprised with. Nevertheless, Selena looked stunning in her blue gown.

As for Selena's concert, the singer took to the social networking site moments before her show to share her excitement of being back on the stage.

"Puerto Rico- 4 hours til show time, so excited to be back such a fun place to kick off my South American Tour it's like my second home. Love you all," shared Selena.

Selena's world tour will continue to hit a few places of which include Panama City, Santiago, Sao Paolo, Buenos Aires, Mexico City and Rio de Janeiro. As for Seliebers who wonder if Justin Bieber showed up backstage to support his beloved girlfriend, who knows he might have?

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