Social media has the power to turn your Average Joe (or Jane) into an overnight celebrity. Take Alabama Crimson Tide QB A.J. McCarron’s girlfriend Katherine Webb for instance. The gorgeous model racked up 90,000 Twitter followers just off her on-camera appearance during the BCS National Championship game. All in a matter of 24 hours mind you. Impressive numbers for a hot chick with no name, though she's managed to pull off a feat that a handful of today’s top celebs have accomplished when signing up for the hashtag-heavy social network. Want names and stats? Take a look at 15 Celebrities Who Gained the Most Twitter Followers In One Day.