"I don't know her."
There's been much talk over the years about the alleged feud going on between Mariah Carey and Jennifer Lopez.
It all started over a decade ago when Carey was asked about Lopez and Carey responded, "I don't know her."
Since then the two stars have been pitted against each other and rumors of a feud have only intensified over the years.
So is the feud between Carey and Lopez real?
Take a look at the E! News video above to see what Carey just told Andy Cohen on Watch What Happens Live!