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Social Butterflies

September marks the beginning of the fall social season, when Chicago’s who’s who don their finest black-tie attire to champion their favorite causes at lavish galas. Our calendars are already filling up, but we always make time to support these important charities and cultural institutions.

Green Tie Ball

1. The Women’s Board of the Rehabilitation Institute of Chicago hosts its annual Medicine Ball on Sept. 7. Ranked as the No. 1 rehabilitation hospital in the nation, this black-tie event supports the RIC’s programs and services for patients and their families. Approximately 450 of the city’s most influential patrons are expected to attend this night of cocktails, a delectable dinner and dancing. 6:30pm. Tickets $500. The Peninsula Chicago, 108 E. Superior St., 312.283.6023, ric.org

2. Enter a world of pure imagination at the Green Tie Ball on Sept. 7. Chicago Gateway Green’s signature fundraising event for the Expressway Partnership Program returns with a fun-filled Willy Wonka theme and allows guests to sample bites from some of Chicago’s best restaurants. An open bar, exciting entertainment and celebrity sightings keep the party going well into the night. 6:30pm VIP reception, 8:30pm gala. Tickets $150-$250. A. Finkl & Sons Co., 2011 N. Southport Ave., 310.270.3054, gatewaygreen.org

3. The Adler Planetarium hosts a moonlit evening of drinks, dinner and dancing at the Celestial Ball on Sept. 7. Stargazers come dressed to impress for a party filled with sweeping views of the skyline and a luxe silent auction benefiting Adler’s world-class exhibitions and educational programming. 6:30pm. Tickets $600. 1300 S. Lake Shore Dr., 312.266.8729, adlerplanetarium.org

4. Music lovers rejoice at the Chicago Symphony Orchestra’s Symphony Ball on Sept. 21. A reception of cocktails and hors d’oeuvres anticipates the main event, in which Maestro Riccardo Muti leading the orchestra in a celebration of Verdi. Following the concert, stroll down to the Palmer House for dinner and dancing to the Bill Pollack Orchestra. 6pm cocktail reception, 7pm concert. Tickets $750 and up. Symphony Center, 220 S. Michigan Ave., 312.294.3000, cso.org

5. Imerman Angels, the world’s largest one-on-one cancer support organization, holds its inaugural Tuxes & Tees Ball on Sept. 28 to celebrate 10 years of growth and giving. Sport your best casual-chic attire—men are encouraged to wear an Imerman Angels tee under their tuxedo jacket—and enjoy cocktails, light bites and dancing to live beats from Dr. Bombay. 7pm. Tickets $150 and up. Roosevelt University Ballroom, 430 S. Michigan Ave., 312.274.5529, imermanangels.org