meghan trainor vs. britney spears

Workout! ( Jennifer Lopez vs. Iggy Azelea vs. Sir Mix-A-Lot vs. Nicki Minaj vs. Groove Armada vs. MC Hammer vs. Meghan Trainor vs. Missy Elliott vs. Britney Spears vs. Diplo & Swick vs. Eminem feat. Nate Dogg vs. C&C Music Factory) 

Trouble For Me Too 

Me 2, 3 (Mush Up) 

3 Lips Are Movin 

Baby One More Time / Nice To Meet Ya (Mash Up) 

No/Overprotected (Full Mashup)