Opinions please! so, what did Rihanna do to warrant getting b!tch slapped by Chris Brown?

(My Original Blog Post: http://www.latesttrendsguide.com/?p=3815)

a) She went on another expensive shopping spree and blew his money (come on, we all know she is broke)

b) He proposed to her and she laughed in his face... then proceeded to dump him

c) He caught her cheating on him

d) She called his mama a ho.