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Justin Tranter of Semi-Precious Weapons and Lady Gaga pause for a kiss while crowd-surfing as Semi-Precious Weapons performs on the BMI Stage during the 2010 Lollapalooza Festival in Grant Park on August 6, 2010 in Chicago, Illinois.
ROCK OUT: Find out why Semi-Precious Weapons is Lady Gaga's favorite band by checking out their show at Subterranean or the official after-party at The Underground. Lead singer Justin Tranter will take over the DJing duties -- the same dude who made out and stage dived with Gaga at Lollapalooza. Good times. RSVP at email@example.com for after-party. Doors open at 9 p.m.
BOY'S CLUB: Head over to Macy's on State Street for a men's fashion event with OUT Magazine and Chicago House. Models will showcase the latest designs from labels such as Hugo Boss, Armani Jeans, Theory, and Diesel while you enjoy cocktails and hor d'oeuvres. 5:30-7:30 p.m., 111 North State St
MERCADITO'S BIRTHDAY: This popular River North Restaurant celebrates its first birthday $1 dishes all week long. Dishes include chicken tacos with tomato-chipotle sauce, crispy tortillas with octopus and pickled jalapeno and crispy corn masa with black bean hash, corn, pickled red onion and salsa. 108 W Kinzie St, 312.329.9555