The cameras were seen trailing them from behind. Karrueche is such an opportunist and Christina has a horrible sense of style. Her album will most likely not come out for obvious reasons.
This could be due to a pregnancy announcement that she's expecting Lil Wayne's baby or they split up and she ends up getting dumped from his 'Young Money' label. Seeing their 'relationship' play out on camera would make for some interesting viewing, should she take it there.