There should seriously be a warning sign on this Emporio Armani billboard that reads "May Cause Swerving." With super-hot Megan Fox and Cristiano Ronoldo in their skivvies smack dab in the middle of one of Southern Cali's busiest boulevards, we're betting there might be plenty of cars pulled over to get a good glimpse of this sexy duo, or maybe even a fender bender or two. (DailyMail)