It's just a few days after St. Patrick's Day and revelers all over the world might still be feeling a bit groggy. Our favorite celebrities never need an excuse to have a good time, especially when they're attending the most exclusive and luxurious parties all over the world – or just having a drink at their local favorite. Think you know which celebs enjoyed their nights out on the town? Take our quiz to see if you can guess who's partying the night away!