Justin Bieber and Selena Gomez are apparently a couple once again. Justin Bieber was spotted arriving at Selena Gomez's 21st birthday bash and leaving with Selena.

For more Hollywood news and gossip:
http://www.youtube.com/hollywoodbackstage

Subscribe at:
http://www.youtube.com/subscription_center?add_user=HollywoodBackstage

Like us on Facebook:
http://www.facebook.com/hollywoodbackstage

Follow us on Twitter:
https://twitter.com/#!/HollywoodBstage