Not believe one’s ears

We use this expression to be surprised by something someone has told you.

You can use this phrase in ………… language.
 Spoken
 Written
 Informal

Example 1
I couldn’t believe my ears when the phone rang telling me I got a part in the new Tarantino movie!

Example 2
You’re blaming me for the broken window? I can’t believe my ears! I wasn’t even at home that day!