Mashups › Usher Ft. Will.i.am OMG (Strike The Match) Usher ft. Will.i.am vs. Monrose Like, OMG Baby (Capital FM Summertime Ball Mashup) Ke$ha vs. Alexandra Burke vs. Cheryl Cole vs. Justin Bieber vs. more... United State Of Pop 2010 (Don't Stop the Pop) Ke$ha vs. Lady Antebellum vs. Train vs. Katy Perry ft. Snoop Dogg vs. more... OMG, I Smacked My Bitch Up The Prodigy vs. Usher ft. Will.i.am