#TBT: 7 Years of Selena Gomez's Concert Outfits

Selena Gomez's Revival tour officially kicks off tomorrow in Las Vegas, so we thought it would be the perfect time to take a walk down memory lane and revisit some of her past onstage looks—including those from way back when she was a young teenager just starting to perform. One glance at these photos, and it's clear that the 23-year-old singer's style has definitely matured since her early days (hello, baby Bieber!). 

Scroll down to see Selena Gomez's concert outfits through the years!

Which outfit do you like the best? Tell us in the comments below, and shop one of her favorite onstage looks: high-waisted shorts!

Opening Image: Getty Images