It's not really trying to be funny... it's just a joke to her fans because lots of the navy thought this pic was her a few hours ago, despite the massive booty. So everyone thought she was at some carnival.
She found a picture of some chunky bitch with red hair and a chunky black girl who looks like Melissa (her best friend) from the back and said "Me and my bfff M on set"
I love Rihanna but I think this is rude and cruel.
