Well, it seems this big sis wasn't having any of it!
Koko took to Twitter on Monday with a very cryptic message about all the "sh*t", writing:
[Image via Instagram.]
The best revenge really is living well!
She probably wouldn't make a bad prez, but she makes a great performer! And did we mention that the pop star sang Firework at the gala, which raised $9 million for hearing loss prevention!
[Image via Katy Perry/Instagram.]