Justin Bieber, Nick Jonas, 'Twilight' stars among celebs at Young Hollywood Awards

jonas-brothers-getty.jpg UPDATE: Since the time of this post, we have received confirmation that Justin Bieber did not attend the event as scheduled.

Original post below:

Hollywood's rising talent is set to get honored at the 12th Annual Young Hollywood Awards Thursday (May 13).

Mario Lopez will host and top Hollywood celebs will present awards recognizing "outstanding accomplishments of each emerging artist."