Justin Bieber Fans Have the Best Reactions to His First No. 1 Single
It's a big day for Justin Bieber -- and his fans are loving it.
In addition to getting his first No. 1 on the Billboard Hot 100 with "What Do You Mean?," he's also the youngest solo male artist to debut on the top of the chart and only the 21st artist to ever bow up top.
Beliebers are celebrating their boy's big news the best way they know how: by posting celebratory memes on Twitter with the hashtag #BieberIsBack. Check out some of our favorites below: