FIERCE FASHIONS: Tonight marks the finale of the "So You Wanna Be A Designer!" reality competition at River North's Kenmore Live Studio. For the past eight weeks, six contestants have been competing for a $20,000 grand prize and a host of other prizes. Designers Tonya Pierce and Jessica Davis are the only two left standing, and their final looks will be judged by Chicago designer Elda De La Rosa, Milwaukee Bucks forward Bobby Simmons and designer Raul Penaranda. Watch the finale in person or live at www.facebook.com/kenmore. 7 p.m., 678 N. Wells St, FREE
DENIM CUBS: Chicago Cubs Reed Johnson and Tyler Colvin will be on hand for the grand opening of the Denim Lounge. The pair will sign autographs for shoppers who make a $20 donation to the American Society for the Prevention of Cruelty to Animals. Score a raffle ticket to win a $400 gift certificate and enjoy 20 percent off all purchases. Oh ya, there'll be cocktails, food and goody bags. 6 p.m., 2039 W. Roscoe
AIR ROCK: Watch contestants live the rock & roll dreams at U.S. Air Guitar Championships at Double Door tonight. The entrant list is full, but according to the organizers, you can may be able to get in if you're demonstrably awesome. Or you can just drink and heckle. 9 p.m., 1572 N Milwaukee Ave, Tickets $12-$14
