Answer:
The audience of Sonnet 130 is a Dark Lady.
Step-by-step explanation:
This Shakespearean sonnet is addressed to the "Dark Lady" to whom he makes several references in some of his sonnets. This person is apparently someone who has broken his heart and to whom he dedicates this sonnet.
There, Shakespeare describes her lover and does not do it as it is used on other poems, but rather he describes her as a normal human being and even with very common features:
My mistress' eyes are nothing like the sun;
If hairs be wires, black wires grow on her head from her.
But no such roses see I in her cheeks from her;