[Impo]

The only ones that stick out to me now are

Spoiler:

Run the World - Brittany and Santana
You can't Stop the Beat - New Directions
Tik Tok - Brittany
True Colours - Tina
It's all over - New Directions
Big Ass Heart - Puck
I Know What Boys Like - Lauren
Blackbird (?) - Kurt

EVERYTHING BRITTANY/SANTANA

...I was only going to list one, but then that happened :o
And there's a lot more I'm not mentioning because I can't remember.

And yes, omega, that's a lot xD