[jmacusa]

I believe Betelgeuse is the largest star in the universe.

[Red Badger]

Well, it is the largest star in the universe in our part of the Universe! Everything else is irrelevant!......................

[Kickass Conservative]

“The largest known star in the universe is UY Scuti, a hypergiant with a radius around 1,700 times larger than the sun. And it’s not alone in dwarfing Earth’s dominant star”

Source: https://the-biggest.net/animals/what-is-the-largest-known-star.html