What are some fun songs to randomly burst out singing?

Superstar- Toybox
Brains- Voltaire
Do you like waffles- Parry Gripp
Shake It- Metro Station
Gay Boyfriend- The Hazzards
I Like A Boy In Uniform- The Pipettes
The Phantom Of The Opera- The Phantom of the Opera
So Obvious- Runner Runner

Yeah, pretty much all of these are peppy, but peppy songs are the most fun to randomly sing! :DD

Baby by Justin bieber
Follow follow by Rangers FC fans
Let the sun shine by Labyrinth
Just a dream by Nelly
The Lazy Song by Bruno Mars
Simply the best by Tina Turner
Single Ladies by Beyonce
Black and Yellow by Wiz Khalafie
and more..

well this is an inside joke with my friends but we sing it randomly all the time(:
"my name is emily!! YEA! and i like to eat!! YEA!! when i jumprope!! YEA and my stomach screams WOOT WOOT WOOT!!"

This one XD