Justin Bieber calls himself out for inappropriate joke about underage girls, debuts new neck tattoo

Justin Bieber Makes Inappropriate Comment About Underage Girls at Toronto Concert

Not even Justin Bieber could let himself get away with this one...

The 21-year-old singer immediately called himself out for a pretty creepy joke he made to some of his teenage fans during a Monday night concert in Toronto.

PHOTOS: The evolution of Justin Bieber

The Evolution of Justin Bieber
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Justin Bieber calls himself out for inappropriate joke about underage girls, debuts new neck tattoo
Canadian pop megastar Justin Bieber (C) plays basketball with a young survivor of Super Typhoon Haiyan in Palo, Leyte province on December 10, 2013. Pop megastar Justin Bieber sang to and played basketball with young survivors of the Philippines' deadliest typhoon on December 10 after he flew into the disaster zone to boost an international relief effort. AFP PHOTO (Photo credit should read STR/AFP/Getty Images)
LOS ANGELES, CA - JULY 27: The winner of Champ of Charity singer Justin Bieber (L) and singer Cody Simpson onstage at the 2014 Young Hollywood Awards brought to you by Samsung Galaxy at The Wiltern on July 27, 2014 in Los Angeles, California. The Young Hollywood Awards will air on Monday, July 28 8/7c on The CW. (Photo by Frederick M. Brown/Getty Images for Variety)
The "Baby" singer headed straight to the salon for a new makeover ... this time going blonde! (Instagram)
LOS ANGELES, CA - AUGUST 23: Justin Bieber attends a VMA Pre-Party hosted by Chris Brown & Pia Mia featuring Bera on August 23, 2014 in Los Angeles, California. (Photo by Araya Diaz/Getty Images)
NEW YORK, NY - JAN 17: General view of a Justin Bieber for Calvin Klein Billboard located on Houston Street on January 17, 2015 in New York City. (Photo by Tomas/IMAGES/Getty Images)
LAS VEGAS, NV - MARCH 15: Singer Justin Bieber arrives at Omnia Nightclub at Caesars Palace to celebrate his birthday on the nightclub's opening weekend on March 15, 2015 in Las Vegas, Nevada. (Photo by Gabe Ginsberg/Getty Images)
CANNES, FRANCE - NOVEMBER 07: Singer Justin Bieber attends the 17th NRJ Music Awards ceremony at Palais des Festivals on November 7, 2015 in Cannes, France. (Photo by Marc Piasecki/WireImage)
LOS ANGELES, CA - JANUARY 18: Justin Bieber and Corey Gamble are seen in Beverly Hills, Ca on January 18, 2016 in Los Angeles, California. (Photo by Light Brigade/Bauer-Griffin/GC Images)

"We got any 14-year-olds?" Justin asked, before counting from 14 to 18 on his fingers. "We got four more years, and then you're 18."

"Too much, Justin," he immediately followed up his remark.

WATCH: Justin Serenaded a 16-Year-Old Fan at This Concert

Meanwhile, Justin is expanding his body art collection! On Thursday, the "Sorry" singer debuted a brand new neck tattoo of a pair of wings (it appears to be the same wing design Justin used on his "Believe" tour), writing, "New tattoo :)."

New tattoo :)

A photo posted by Justin Bieber (@justinbieber) on

Looks like Justin got his wings.

WATCH: Justin Bieber's Mystery Girl Found, Says She 'Doesn't Know How to Deal With This'

The singer also recently called for his fans to find his Instagram mystery girl, who said, "I so do not know how to deal with this," after one of the biggest pop stars in the world posted her picture to his Instagram.

See more of what the mystery girl said in the video below!

Justin Bieber's Gorgeous Mystery Girl Found!
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