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Five Kentucky Derby parties, $2 slices of pizza, a Mother’s Day movie and more things to do in Chicago this weekend, May 6-8.

EAT

Birthday Bash

Big G’s Pizza

3716 N. Clark St. 773-281-2444

The Wrigleyville restaurant celebrates its fourth anniversary by giving the first 50 customers birthday cake and brownies, serving $2 slices and raffling off gift certificates and free pizza for a year. Noon-8 p.m. Saturday. No cover.

Kentucky Derby Crawfish Boil

Schoolyard Tavern & Grill

3258 N. Southport Ave. 773-528-8226

Feast on all-you-can-eat crawfish paired with $8 mint juleps, old fashioneds and cucumber coolers. An announcer and trumpeter liven up the race broadcast. 11 a.m.-4 p.m. Saturday. $35. Tickets: schoolyardtavern.com

DRINK

Kentucky Derby Party

Tavern on Rush

1031 N. Rush St. 312-664-9600

Sip $5 mint juleps and show off your best Derby Day hat for a shot at winning a $500 gift card or a bottle of Dom Perignon at the fifth annual bash. 3 p.m. Saturday. No cover.

Mint julep at Pearl Tavern
Mint julep at Pearl Tavern

142nd Kentucky Derby Viewing Party

Pearl Tavern

180 N. Wacker Drive 312-629-1030

Watch the race while enjoying bourbon tastings, mint juleps and small bites at the benefit for the Chicago Children’s Choir. The best hat, most dapper gentleman and best-dressed couple win prizes including a gift certificate and bottle of champagne. 3:30-6 p.m. Saturday. $48. Tickets: eventbrite.com

Day Javu Derby on the River

GreenRiver

259 E. Erie St. 312-337-0101

Bust out your fancy hats, dresses, bowties and blazers for a rooftop bash including drinks from Tequila Avion and music from DJs Sean Mac and JEM. 1-7 p.m. Saturday. $25. Tickets: eventbrite.com

Derby for a Cause

Sidebar Grille

221 N. LaSalle St. 312-321-1500

The National Kidney Foundation of Illinois’ annual benefit includes appetizers, three beers or glasses of wine, a silent auction, raffle and best-dressed competition. 3-6:30 p.m. Saturday. $40-$50. Tickets: nkfi.org

DO

Free Comic Book Day (Free!)

Challengers Comics + Conversation

1845 N. Western Ave. 773-278-0155

Costumed employees dole out free comics, including a 24-page black and white book made especially for the store, and comic artists and creators sign copies. 11 a.m.-5 p.m. Saturday. Free.

'Mamma Mia!'
‘Mamma Mia!’

Mother’s Day With ‘Mamma Mia!’

Music Box Theatre

3733 N. Southport Ave. 773-871-6604

Wear your best ’70s-inspired outfit for a pre-show fashion contest with prizes, sip mimosas in the lounge and catch a screening of the Broadway hit complete with an audience participation guide.
2 p.m. Sunday. $11-$14. Tickets: musicboxtheatre.com

HAPPY HOUR OF THE DAY

G & O (459 N. Ogden Ave. 312-888-3367) offers Tito’s Handmade Vodka, Martin Miller’s Gin and a cocktail of the day for $3 plus a $10 burger and beer of the day pairing from 4-6 p.m. Friday.