I don't think it's any more rude than girls calling one another ****s/hoes/sloppy.
All these things you're pulling up are used, unless intentionally hurtful, as terms of endearment (Hey, Madge!) among friends. It's not the same way here.
Her "boyfriend" having to sign contracts before even MEETING her So like EYE said, Britney's dad is her pimp. How long before he joins the conservator ship like Jason did? Or cheats on the modern day Golden Girl with some younger exotic actress like her last "boyfriend"? It being a confidentiality agreement because her people KNOW she's a ****ing weirdo What a ****ing loser