Selena Gomez showed plenty of skin -- including her super-toned abs -- for the kick-off of her "Stars Dance" tour in a tiny halter crop top and low-slung harem pants.

The 21-year-old kicked off her tour Wednesday night in Vancouver, Canada, at Rogers Arena. Gomez wore a sparkly midriff-baring top with key-hole cutout that showed her toned figure and a hint of cleavage. She paired it with some white harem pants that she may or may not have stolen from on-again, off-again boyfriend Justin Bieber and sneakers.

While her look was decidedly sexy, the former "Wizards of Waverly Place" star put on a relatively tame performance, according to the Vancouver Sun.

"From the chair dance in Birthday to the multi-tiered stage and frequent costume changes, the show is about movement and, frankly, G-rated fun," wrote critic Stuart Derdeyn. "Britney was never this tame as she transitioned into her 'adult' image and we all know about Christina Aguilera’s Dirty."

Still, the singer, who earned her first No. 1 on the Billboard 200 chart last month (and even beat out Jay Z), is inspired by the pop icons who came before her -- including Miss Spears.

"I want people to feel it when they hear the beat on the song, when they see a dance move, that it encourages them to keep going," Gomez told MTV News. "I want them to non-stop dance, because that's what I grew up watching in the nose bleeds going to every Britney show, just still wanting to this day to learn her dance moves because they are so epic. So that's what I'm trying to do, make it fun, original and let them have a great time."

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Click through the slideshow below for more photos of Selena Gomez in concert.

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  • Selena Gomez Performs At Pepsi Live At Rogers Arena - Tour Opener

    VANCOUVER, CANADA - AUGUST 14: Selena Gomez performs during the first show of her 'Stars Dance' tour at Pepsi Live at Rogers Arena on August 14, 2013 in Vancouver, Canada. (Photo by Jeff Vinnick/Getty Images)

  • Selena Gomez Performs At Pepsi Live At Rogers Arena - Tour Opener

    VANCOUVER, CANADA - AUGUST 14: Selena Gomez performs during the first show of her 'Stars Dance' tour at Pepsi Live at Rogers Arena on August 14, 2013 in Vancouver, Canada. (Photo by Jeff Vinnick/Getty Images)

  • Selena Gomez Performs At Pepsi Live At Rogers Arena - Tour Opener

    VANCOUVER, CANADA - AUGUST 14: Selena Gomez performs during the first show of her 'Stars Dance' tour at Pepsi Live at Rogers Arena on August 14, 2013 in Vancouver, Canada. (Photo by Jeff Vinnick/Getty Images)

  • Selena Gomez Performs At Pepsi Live At Rogers Arena - Tour Opener

    VANCOUVER, CANADA - AUGUST 14: Selena Gomez performs during the first show of her 'Stars Dance' tour at Pepsi Live at Rogers Arena on August 14, 2013 in Vancouver, Canada. (Photo by Jeff Vinnick/Getty Images)

  • Selena Gomez Performs At Pepsi Live At Rogers Arena - Tour Opener

    VANCOUVER, CANADA - AUGUST 14: Selena Gomez performs during the first show of her 'Stars Dance' tour at Pepsi Live at Rogers Arena on August 14, 2013 in Vancouver, Canada. (Photo by Jeff Vinnick/Getty Images)

  • Selena Gomez Performs At Pepsi Live At Rogers Arena - Tour Opener

    VANCOUVER, CANADA - AUGUST 14: Selena Gomez performs during the first show of her 'Stars Dance' tour at Pepsi Live at Rogers Arena on August 14, 2013 in Vancouver, Canada. (Photo by Jeff Vinnick/Getty Images)

  • Selena Gomez Performs At Pepsi Live At Rogers Arena - Tour Opener

    VANCOUVER, CANADA - AUGUST 14: Selena Gomez performs during the first show of her 'Stars Dance' tour at Pepsi Live at Rogers Arena on August 14, 2013 in Vancouver, Canada. (Photo by Jeff Vinnick/Getty Images)

  • Selena Gomez Performs At Pepsi Live At Rogers Arena - Tour Opener

    VANCOUVER, CANADA - AUGUST 14: Selena Gomez performs during the first show of her 'Stars Dance' tour at Pepsi Live at Rogers Arena on August 14, 2013 in Vancouver, Canada. (Photo by Jeff Vinnick/Getty Images)

  • Selena Gomez Performs At Pepsi Live At Rogers Arena - Tour Opener

    VANCOUVER, CANADA - AUGUST 14: Selena Gomez performs during the first show of her 'Stars Dance' tour at Pepsi Live at Rogers Arena on August 14, 2013 in Vancouver, Canada. (Photo by Jeff Vinnick/Getty Images)

  • Selena Gomez Performs At Pepsi Live At Rogers Arena - Tour Opener

    VANCOUVER, CANADA - AUGUST 14: Selena Gomez performs during the first show of her 'Stars Dance' tour at Pepsi Live at Rogers Arena on August 14, 2013 in Vancouver, Canada. (Photo by Jeff Vinnick/Getty Images)

  • Selena Gomez Performs At Pepsi Live At Rogers Arena - Tour Opener

    VANCOUVER, CANADA - AUGUST 14: Selena Gomez performs during the first show of her 'Stars Dance' tour at Pepsi Live at Rogers Arena on August 14, 2013 in Vancouver, Canada. (Photo by Jeff Vinnick/Getty Images)

  • Selena Gomez Performs At Pepsi Live At Rogers Arena - Tour Opener

    VANCOUVER, CANADA - AUGUST 14: Selena Gomez performs during the first show of her 'Stars Dance' tour at Pepsi Live at Rogers Arena on August 14, 2013 in Vancouver, Canada. (Photo by Jeff Vinnick/Getty Images)

  • Selena Gomez Performs At Pepsi Live At Rogers Arena - Tour Opener

    VANCOUVER, CANADA - AUGUST 14: Selena Gomez performs during the first show of her 'Stars Dance' tour at Pepsi Live at Rogers Arena on August 14, 2013 in Vancouver, Canada. (Photo by Jeff Vinnick/Getty Images)

  • Selena Gomez

    IMAGE DISTRIBUTED FOR MTV - Selena Gomez performs at the close of the 2013 MTV Upfront, on Thursday, April 25, 2013 at the Beacon Theater in New York. (Photo by Scott Gries/Invision for MTV/AP Images)

  • 2013 Radio Disney Music Awards - Show

    LOS ANGELES, CA - APRIL 27: Actress/recording artist Selena Gomez performs during the 2013 Radio Disney Music Awards at the Nokia Theatre L.A. Live on April 27, 2013 in Los Angeles, California. (Photo by Frederick M. Brown/Getty Images)

  • 2013 Billboard Music Awards - Show

    LAS VEGAS, NV - MAY 19: Singer Selena Gomez performs onstage during the 2013 Billboard Music Awards at the MGM Grand Garden Arena on May 19, 2013 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

  • 2013 Billboard Music Awards - Show

    LAS VEGAS, NV - MAY 19: Singer Selena Gomez performs onstage during the 2013 Billboard Music Awards at the MGM Grand Garden Arena on May 19, 2013 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

  • Selena Gomez

    Singer Selena Gomez backstage at the MTV Movie Awards in Sony Pictures Studio Lot in Culver City, Calif., on Sunday April 14, 2013. (Photo by John Shearer/Invision for MTV/AP Images)

  • Selena Gomez

    IMAGE DISTRIBUTED FOR MTV - Singer Selena Gomez perform onstage at the MTV Movie Awards in Sony Pictures Studio Lot in Culver City, Calif., on Sunday April 14, 2013. (Photo by Jordan Strauss/Invision for MTV/AP Images)

  • Selena Gomez

    IMAGE DISTRIBUTED FOR MTV - Singer Selena Gomez perform onstage at the MTV Movie Awards in Sony Pictures Studio Lot in Culver City, Calif., on Sunday April 14, 2013. (Photo by Jordan Strauss/Invision for MTV/AP Images)

  • MTV Europe Music Awards 2011 - Show

    BELFAST, NORTHERN IRELAND - NOVEMBER 06: MTV Europe Music Awards Hostess Selena Gomez performs onstage during the MTV Europe Music Awards 2011 live show at at the Odyssey Arena on November 6, 2011 in Belfast, Northern Ireland. (Photo by Dave Benett/Getty Images)

  • 2011 People's Choice Awards - Show

    LOS ANGELES, CA - JANUARY 05: Singer Selena Gomez onstage during the 2011 People's Choice Awards at Nokia Theatre L.A. Live on January 5, 2011 in Los Angeles, California. (Photo by Christopher Polk/Getty Images for PCA)

  • Selena Gomez

    U.S. pop singer Selena Gomez, center, performs during a concert in Montevideo, Uruguay, Saturday, Feb. 11, 2012. (AP Photo/Matilde Campodonico)

  • Selena Gomez Performs At Mandalay Bay In Las Vegas

    LAS VEGAS, NV - SEPTEMBER 10: Singer Selena Gomez performs at the Mandalay Bay Events Center September 10, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

  • Selena Gomez Performs At Mandalay Bay In Las Vegas

    LAS VEGAS, NV - SEPTEMBER 10: Singer Selena Gomez performs at the Mandalay Bay Events Center September 10, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

  • 2011 Teen Choice Awards - Show

    UNIVERSAL CITY, CA - AUGUST 07: Singer Selena Gomez of Selena Gomez & The Scene perform onstage during the 2011 Teen Choice Awards held at the Gibson Amphitheatre on August 7, 2011 in Universal City, California. (Photo by Kevin Winter/Getty Images)

  • KIIS FM's Jingle Ball 2010 - Show

    LOS ANGELES, CA - DECEMBER 05: Selena Gomez performs at the KIIS FM's Jingle Ball 2010 on December 5, 2010 in Los Angeles, California. (Photo by Noel Vasquez/Getty Images)

  • Z100's Jingle Ball 2010 Presented By H&M - Show

    NEW YORK, NY - DECEMBER 10: Selena Gomez performs during Z100's Jingle Ball 2010 at Madison Square Garden on December 10, 2010 in New York City. (Photo by Bryan Bedder/Getty Images)

  • Z100's Jingle Ball 2010 Presented By H&M - Show

    NEW YORK, NY - DECEMBER 10: Selena Gomez performs during Z100's Jingle Ball 2010 at Madison Square Garden on December 10, 2010 in New York City. (Photo by Bryan Bedder/Getty Images)