I've sung in the shower for years.
Chris Pine
Bing Crosby sings like all people think they sing in the shower.
Dinah Shore
What's more awkward than doing a shower scene? Rehearsing a shower scene.
Cobie Smulders
I don't even sing in the shower.
Lara Stone
I never sing in the shower either.
Barbra Streisand
I don't sing in the shower at all, and I don't sing in the shower, either.
Pia Toscano
Think Tank, noun: The shower.
Craig Bruce