Usher joined the movement for more birthdays!

[ChanFan03]

he would be an awesome dad!

[wheelz1997]

If all these rich stars joined and donated 1,000 dollars you should be able to get a cure

[zammie1603]

hes gorgeoussssssss <3

[BiebersBff]

His was one of the bests!

[lissukas1000]

the hole time I waited for him to blow the candles but NO :(:(

[overponderous]

today is JUSTIN BEIBERS BIRTHDAY but not just that and its KESHa

[ACCALA04]

Go shawty it's your birthday ooh it's your birthday go shawty its your birthday today's your day happy birthday to you, you got it going on Happy Birthday just for you! It's JUSTIN BIEBER's Birthday today ;)!!!! Random but true!!! ILJB!!

[Anush484]

HE'S EXTREMELY HOT

[NativeInterface]

Here you go, one cancerous birthday cake with extra sugar to increase tumor growth, icing with aspartame, whipped cream from GMO corn fed cows loaded up with hormones, served on a plastic plate made with Bisphenol-A. MMmmm... Cancerolicious... I'm growing tumors just looking at it...

[GodEqualsLove4ever]

what a happy, warm, smooth Happy Birthday song ... love it!!