"While many other celebs were dressing up in their Halloween best, Rihanna opted for a low-key night at dinner with friends in Beverly Hills, CA on Friday (October 26).
The "Umbrella" songstress tried her best to avoid the pesky shutterbugs, while heading out of Scarpetta restaurant inside the Montage Hotel."
(SOURCE: http://celebrity-gossip.net/rihanna/rihanna-hits-town-while-readying-halloween-costume-ball-750811)