Sunflower
a star can live for 2000 years
sunflower star
the sunflower sea star
As long as they want
An average star can live about 10 billion years.
Depending on the mass a star may live 10million to 200billion years!
king crab
sunflower starfish
The Sunflower Seastar is from the phylum Echinodermata. It is from the kingdom Animalia, the class Asteroidea, and the family Asteriidae.
The Sunflower Starfish (of Sea Star) is none of the four mentioned in the question. It is an echinoderm, a marine invertebret having a central disc and many arms.
It depends on the size. Small, dim stars live much, much longer than large, bright ones. The expected lifetime of a star like the Sun as a main-sequence star is about 10 billion years.