Awwww Biebsy is going to bring in the clowns for his 19th bday!
And we aren't talking about the heavily-made up ladies that he's inevitably going to invite.
Justin Bieber has already kicked off his 19th birthday celebrations by hard-core clubbing, baring his shirtless bod for all to see, and hanging with MULTIPLE females until the wee hours of the morning…
But that's apparently just the appetizer to an extravagant, $15,000 circus-themed party that's going down TONIGHT at London club Cirque Du Soir!
One alleged source claims: