Look at how tight that hug is with pre-lumpy-face Tori Spelling.
Now, look carefully at who is not singing along with Zack and Slater:
That guy. And it is pretty obvious. With whom, pray tell, does he sing? The ladies
I can understand that some guys have an alto range. I can also understand that in a high school setting. I can also understand if this uncredited person is actually a 90s version of female comedian Tig Notaro.
Feel free to share what stood out to you in the comments below.