Lady GaGa Goes Caroling

9/9/2009 2:02 AM PDT BY TMZ STAFF
Here's pop star Lady GaGa in London on Tuesday (left) -- and 88-year-old raspy-voiced personality Carol Channing a little while back (right).

Lady GaGa

One of them allegedly wears blonde wigs because she is allergic to bleach.

We're just sayin'.