Rihanna lounges around a pool in a string bikini as she takes time out in Tel Aviv

Rihanna spent yesterday touring around the holy city of Jerusalem in a very modest outfit indeed.But less than 24 hours later, the pop star promptly let her guard down after arriving in Tel Aviv.The Rated R singer was spotted sunning herself by her hotel pool in Israel today in a string bikini.The 22-year-old attracted more than a few admiring glances as she cooled off in the water with