Actually, we think she was changing because she wanted to put on a new bikini, and this has nothing to do with us, but incidentally, we're pretty pleased with the whole event. Rihanna undressed (and smoked something) in front of a balcony door in Barbados, and the cameras were there. They're always there.
Rihanna is a fascinating celebrity and we're always enchanted by her penchant for accentuating her sexuality and/or nudity. That is to say, we've seen Rihanna in various states of undress before and as long as it never gets tiresome for her, it will never get boring for us. We'd like to call our relationship to her a symbiosis, but we're pretty sure we're just parasites. (At least we buy her music instead of downloading it illegally!)