It was also performed at the 2010 MTV Movie Awards.
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THE NEW INTERVIEW.
Wikipedia. And even so, it was a PROMO single, only released to Rhythmic stations, LOL. It didn't have a video and it didn't go to adds on Mainstream radio (so it's not exactly the same case as Just A Fool).
As for being performed... Aguilera performed songs that weren't singles during the Lotus era as well, so your point fails.
It was also performed at the 2010 MTV Movie Awards.
_______________________
THE NEW INTERVIEW.
"Woohoo" got canceled as a single. It's basically the equivalent of a lead single that got demoted to a buzz single. I'm still not over America treating Legend X like that, though I'm glad her fanbase got hurt.
And I haven't seen the new interviews. I save them to watch with my bf. Anything super shocking happen in them?
And even so, it was a PROMO single, only released to Rhythmic stations, LOL. 
