best supporting actress.
82-year-old christopher plummer
relished in his win.
>> it reminds people that you
still have a pulse.
>> reporter: also proving that
he's still got it, billy
crystal.
>> christopher plummer is 82.
he may be walking up on stage
because apparently he wanders
off.
>> reporter: the biggest
surprise of the night, meryl
streep.
>> meryl streep, "the iron
lady."
>> reporter: a clearly shocked
meryl streep won her third
oscar, an award she said pales
next to her true reward.
>> it's the people.
it's the people you work with
and how much fun.
it's really fun to make movies.
>> reporter: another big winner
sole soa.
the academy awards garnished
social media mentions up 300%
from last year.
diane alvear abc2 news slog --