You Won't Believe Who Some of Your Favorite Artists First Opened For

Back in 2010, the singer served as the opening act for Maroon 5's Hands All Over Tour.

Before Britney was a pop icon in her own right, she opened for boy band *NSYNC before embarking on her first headlining tour . . . Baby One More Time in 1999.

While it wasn't technically an opening gig, before he made it big, Drake coheadlined with Young Money during the America's Most Wanted Tour in 2009.

As most dedicated fans know, Demi first started her singing career by touring with the Jonas Brothers during their Burnin' Up Tour in 2008. She also opened for Avril Lavigne in the same year during her The Best Damn World Tour.

Maroon 5's first gig has a long history. The band's lead guitarist James Valentine actually went to Berklee College of Music with John Mayer in 1996, and when the singer heard the band's first album years later, he was so impressed he asked them to open for him his during his 2003 tour.

Get ready to have your mind blown. Before she was Mother Monster, Gaga opened for the boy band New Kids on the Block and the girl group The Pussycat Dolls in 2008.

Before all of their bad blood developed, Justin served as the opening act for Taylor Swift during her Fearless tour when she went to England in November 2009.

Not only was Miley's first opening act for The Cheetah Girls, but she actually performed as her Disney Channel character Hannah Montana.

Rihanna was yet another singer to open for The Pussycat Dolls. She was the group's opening act during their tour in Europe.

The singer joined Justin Bieber for his Believe Tour back in 2013.

Before Jennifer made it big with her singing career, she was a backup dancer for the New Kids on the Block in 1991. She also briefly worked as a backup dancer for Janet Jackson, but eventually backed out of her Janet World Tour in late 1993 to pursue a solo career.

While he didn't actually open for Christina Aguilera, he did coheadline with her for her Stripped Tour in 2003.

During her time with Destiny's Child, Beyoncé was the opening act for R&B groups such as SWV, Dru Hill, and Immature.

Before she was a full-fledged pop star, Taylor performed as an opening act for several country artists, including Rascal Flatts on the final nine dates of their Me & My Gang Tour, Kenny Chesney's Flip-Flop Summer Tour, Brad Paisley's Bonfires & Amplifiers Tour, and Tim McGraw and Hill's joint Soul2Soul II Tour.