SugarBtch

Many people guess that it's sing Britney: But it's a cover by Bridie Heaton: https://m.soundcloud.com/bridieheatonnotofficial/bridie-heaton-sweet-kisses-snippets

I don't understand. Was the song "Monter" by Krys Ivory for the Circus? There is information that this is for FF.

No, was confirmed that "Diary Of..." was for Blackout. Also was for Circus.

It's not demo called "Roses are Forever". It's not sing Britney. "Black Rainbow" by Lolene.

The song "Get Up & Dance" hasn't been leaked yet. It's fake: because author of the video said in the description that created it through stems and this is fanmade demo:

I want to share fake demos with all of you. This remixes uploaded as a demo's:

Myah Marie

Quyeness*

It's Elxxr (Quyeness). Not fake. Demo for Femme Fatale.

It's Tenna Torres & P-Dub. The track was set to be a feat. of Britney Spears with Akon. P-Dub talked about how the track was rejected from the album in one of his YouTube videos: https://youtu.be/t4DqoNOTkuY

This also not fake. This was confirmed for Femme Fatale.

"Feet On The Ground" isn't fake. Myah Marie confirmed that it sent for Circus album.