no....kp4 is a make it or break it album for her.. are you saying she should wait when rih and katy are both washed up pop stars? no one's gonna care for a rihanna collab when she's like 37 or 45 whatever by the time she releases it.
she's probably going on a hiatus or whatever after kp4 anyway since time is kinda ticking and she might wanna have a baby with orlando first.