The more massive object in a two-body system will orbit closest to the centre of that system.
The upper limit for a planet is [13](https://phys.org/news/2019-11-large-planet.amp) times the size of Jupiter. The lower limit for a star is around [75](https://en.wikipedia.org/wiki/Minimum_mass) times the size of Jupiter.
Given this, you can see that a star will always be too big to orbit a planet.
Latest Answers