Brides and grooms partake in "A Perfect Pair," a four-course dinner and beer pairing event with chef Andrew Hroza (7 PM), featuring award-winning craft beers and classic and Belgian-style ales. $25. Siebel Hall Goose Island Brewery, 1800 N. Clybourn; aperfectpair.eventbrite.com

Luxury Management presents the second annual Hard Rock Hair Flip (7 - 9 PM), featuring a hair and beauty show by Restoration Salon and a fashion show by Rosina Mae. All the proceeds benefit Locks of Love, a non-profit that helps provide hairpieces to children experiencing hair loss due to medicine or disease. Hard Rock Hotel, 230 N. Michigan Ave.; to RSVP, visit hrhf.eventbrite.com

Recreate childhood memories at the 5th annual Campfire Ball (7 PM), benefitting Children’s Oncology Services. Proceeds will send children to One Step at a Time summer camp in Lake Geneva. Venue One, 1044 W. Randolph St., 312-235-6836; onestepcamp.org/events/campfire-ball-2012.php

Union Sushi + Barbecue is celebrating its first anniversary with a five-course dinner consisting of remixes on some of the restaurant’s most popular dishes from the past year. A bonus sixth course will feature original Maki rolls and dessert. $75. 230 W. Erie St., 312-662-4888; eatatunion.com

The Metro Board of Metropolitan Family Services presents its annual summertime soirée and fundraiser, Metropolis, a networking event with more than 300 of Chicago’s young professionals, a silent auction, raffle, food, and music. $125. Gallery 1028, 1028 N. Hooker St., 312-986-4130; metrofamily.org/events/metropolis

The Radisson Blu Aqua Hotel is the perfect setting for the 63rd annual Boys & Girls Clubs of Chicago's blue-themed Aqua Ball, hosted by the Women’s Board. The event features a silent auction, live music, dinner, and drinks (6:30 PM). $600. 221 N. Columbus Dr., 312-235-8029; bgcc.org

Friends of Prentice brings the community together once again for its 26th annual Fundraising Gala, a social event at Navy Pier Grand Ballroom with an auction to benefit women’s health initiatives at Northwestern Memorial’s Prentice Women’s Hospital (6 PM). $500. 600 E. Grand Ave., 312-926-0199; friendsofprentice.org

Hotel Sax Chicago hosts the Wedding Salon (4 PM), a one-stop luxury wedding showcase for professionals and brides-to-be featuring caterers, photographers, planners, and other sought-after vendors. Attendees can also receive makeovers (by Yves Saint Laurent, Giorgio Armani, and Saks Fifth Avenue), cake tastings, and cocktails. $50. 333 N. Dearborn St., 212-631-7777; weddingsalon.com

More than 700 members of the city’s legal community will come together for the Women’s Bar Association of Illinois’ annual Installation Dinner, with Karina Zabicki DeHayes as its president. Dinner will be preceded by a cocktail reception (5 PM). Hilton Chicago, 720 S. Michigan Ave.; for tickets, contact Monique at wbai@wbaillinois.org

Neiman Marcus presents its latest fashions at Runway Exclusive 2012, a luncheon and fashion show event to benefit Little City’s programs and services for people with autism and other disabilities. Preceding the show is a silent auction and reception (11:30 AM). $150. Fairmont Chicago, Millennium Park, 200 N. Columbus Dr.; littlecity.org/fashion

Jewelry designer Lana Bramlette is awarded the alumni achievement in fashion design at Fashion Columbia 2012, showcasing the work of students in the college’s fashion studies program and benefiting its newly-established Eunice W. Johnson Scholarship (6:30 PM). $150. Columbia College, Media Production Center, 16th and State Sts., 312-369-8188; bcaburnay@colum.edu

At the 63rd annual Old Town Art Fair stroll through the Gallery of Gardens (featuring more than 50 urban home yards), be entertained at the music stage, or enjoy special sales at some of the neighborhood’s boutiques. Proceeds benefit a variety of local youth organizations and neighborhood preservation projects. Through June 10. Lincoln Ave. at Wisconsin Ave., 312-337-1938; oldtowntriangle.com/fair

Val Warner emcees this year’s Rape Victim Advocates Gala, which also features live and silent auctions, a raffle, DJ, food, and cocktails. Tom and Mary Seeberg receive the Visionary Award. Salvage One, 1840 W. Hubbard St., 312-733-0098; rapevictimadvocates.org

The Chicago Sinfonietta's 2011-2012 season ends with a performance entitled Passion. Tragedy. Love. at the Orchestra Hall of Symphony Center. $26-96. 220 S. Michigan Ave., 312-236-3681 ext. 2; chicagosinfonietta.org

Rush Hour Concerts presents the second annual Make Music Chicago. Musicians of all ages and from all genres will perform throughout the city, and the day will wrap up with a grand finale concert at St. James Cathedral Commons (6 PM). 65 E. Huron St.; makemusicchicago.com

Step through the looking glass for the costumes-optional (but hats-recommended) Madhatter's Ball, benefiting the Lookingglass Theatre Company's education and community programs. Be swept into a circus of magicians, DJs, cocktails, dancing, and more (8 PM). $75-125. Riverfront Theatre Tent, 650 W. Chicago Ave., 312-337-0665; lookingglasstheatre.org/events

Wavefront Music Festival debuts this year at Montrose Harbor Beach. The electronic two-day fest brings in artists and DJs from around the country, including LCD Soundsystem’s Matthew Dear and James Murphy, and benefits Friends of the Park and the Leukemia and Lymphoma Society. $49–89. wavefrontmusicfestival.com

The Women’s Board of Lincoln Park Zoo presents the 2012 Zoo Ball: The Great Catsby (6:30 PM). Benefiting the Nature Boardwalk, the event will feature dinner, dancing, a silent auction and raffle, and cocktails. $600. 2200 N. Cannon Dr., 312-742-2296; lpzooball.org

It’s all paws on deck at PAWS Chicago's 10th annual Beach Party at North Avenue Beach’s Castaways boathouse (6 PM). The pet-friendly event features live music, summery cocktails, and silent and live auctions. 1603 N. Lake Shore Dr., 773-475-3306; beachparty.pawschicago.org