JUSTIN BIEBER SCORES FIRST NO.1 SINGLE WITH 'WHAT DO YOU MEAN?'

It's a holiday for all Beliebers all over the world as Justin Bieber scores his first ever no.1 single with "What Do You Mean? on the Billboard Hot 100."

After topping the music charts in 90 countries including UK and Australia, it's official "What Do You Mean?" is no. 1 now in US.

"What Do You Mean?" dethrones The Weeknd's "Can't Feel My Face" from the chart's highest spot after its two non-consecutive weeks.

In addition to getting his first no. 1 on the Billboard Hot 100 with "What Do You Mean?," Justin Bieber is also the youngest male artist ever to debut at no. 1 on the Hot 100.

#BieberisBack! @JustinBieber debuts at No. 1 on the Hot 100 chart! 🔥💯 http://t.co/j5RT2ROcx8 pic.twitter.com/UyQq3nMWst

— billboard (@billboard) September 8, 2015

Looks like we did it thank you so much billboard number 1

A video posted by Justin Bieber (@justinbieber) on Sep 8, 2015 at 8:58am PDT

Justin Bieber also celebrates his first no. 1 song as a producer and writer. The Biebs co-produced "What Do You Mean?" with Mason "MdL" Levy and co-wrote it with Levy and Jason "Poo Bear" Boyd.

Justin Bieber is indeed back and his 2015 album will be out on Nov 13.