Selena Gomez, 19, a daring thigh-baring gown looks too big as she is performing

Selena Gomez from Disney princess is turning singer with each passing day.

A brave 19-year-old Las Vegas showgirl on stage in Puerto Rico last night gown was worth.

He has a plunging neckline, sequinned hotpants and slinky skirts that fluttered around her exposed legs as she danced with was wearing a blue dress.

Selena blue and purple highlights the opening of her South American tour footage stolen during the night matched her dress.

Former Wizards of Waverly Place star next to the concert posted on her Facebook page: "Puerto Rico - 4 hours til show time, so for such a fun place off my South American tour is like my second home, kick excited to be back to. Love you all. "

Visit Panama City, Mexico City, Santiago, Rio de Janeiro, Sao Paulo and Buenos Aires, among others will take.

Selena was seen through the airport in Puerto Rico, in the first days of flight from Los Angeles to make her way.

Also set the plane tomorrow her partner Justin Bieber, who was at LAX in a pair of socks crazy eye grabbing.

Selena was there for the night out on tour before he jetted. On weekends she organized the second annual concert benefiting UNICEF in the House of Blues on Sunset Strip.

Selena has been an ambassador for the charity for two years, and also to visit Ghana and Chile to bring awareness of certain issues.

Tap the celebrity launch in 2011, which raised money UNICEF water and Togo, Central African Republic and in Vietnam, helping to provide sanitation program.

Selena, boyfriend Justin and David Beckham, along with $ 200,000 raised for charity.