Kids Choice awards
What A-list comedian/actor/host appeared to be all chummy on the red carpet with that A/B-list actor and host but before the show started he called him every foul name in the book?
Apparently host #2 was oblivious to the fact that host #1 has been friends with his ex for decades.
A- comedian/actor/host: Chris Rock
A/B- actor/host #2: Nick Cannon
Source: Mr. X via http://www.crazydaysandnights.net