Justin Bieber announces line of emojis

Pop singer Justin Bieber is the newest celebrity to launch his own line of emojis following the footsteps of Kim Kardashian West and Amber Rose.

The 22-year-old "Sorry" hitmaker posted a sneak peek into the app to tease his fans.

"Friday App Store," he captioned the picture shared on Instagram.

The cartoon-like Bieber image is muscular, has tattoos and is holding up a sign that declares "no photos".

The app is titled "justmojis".