GettyImages Celebrity News - 03/14/13

The video covers various celebrity appearances and promotions. Steve Carell and Jim Carrey promote 'The Incredible Burt Wonderstone' in NYC, while Ian Somerhalder promotes 'The Vampire Diaries'. Alison Williams supports Al Pacino at his biopic premiere. Rachel Weisz takes a break from her Oz duties, and Jessica Alba is seen at a Miami airport promoting her book. In Beverly Hills, the Big Bang Theory cast celebrates PaleyFest, and Dave Grohl presents his documentary at SXSW.

What new insight or understanding did you gain from this video?