Why do some people say that Jolin Tsai is doing plastic surgery according to Ruby Lin?

Jolin Tsai made her debut in a singing contest.

When I first started out, I was beautiful.

So it feels a bit like Ruby Lin.

But Jolin Tsai succeeded in losing weight.

Not the shy girl she used to be.

Jolin Tsai has now successfully transformed itself.

There is no legendary plastic surgery.