It's called Pop Rose, a cover by Drake & Trey Songz. The original is by Ron Browz. But forget Ron Browz, Drake & Trey killllllleeeeeeedddd it !
You should check out other songs by them. There's one called "Replacement Girl" and that is ANOTHER jam of mine. LOL. =P.
Pop Rose: [Download]
Replacement Girl Video (2007):
