Billions of billions of years.
See related question
a star can live for 2000 years
An average star can live about 10 billion years.
Small stars live longer
Live long and prosper.
It was/ Long live Shatner.
5 seconds
as long as you want
7-10 years.
it wont
Millions or billions of years.
to it's first birthday
About 30 - 80 years!