Jazz hands. DISCOVER Arena Stage Homecoming What: A full day of events and free performances by 150 artists to celebrate the ovation-worthy theater space reopening. Why: Don’t miss the dancing Manzari Brothers, cabaret concerts with Nina Negri and Bayla Whitten, and tours of the breathtaking venue. When: Sat., 11:30 a.m.-6 p.m. Where: 1101 6th St. NW., at Maine Ave. (202-488-3300). EAT Muncheez Mania What: The new sandwich and crepe spot throws open its doors and curbside carryout window to offer the savory and sweet snacks for free (today only, noon-2 p.m.). Why: Choose from options ($3-$7) like a Wild Thyme sammie with olive oil, za’atar, sesame seeds, and vegetables or PB&J and Nutella crepes. When: Daily, 11:30 a.m.-10 p.m. Where: 1071 Wisconsin Ave. NW, at M St. NE (202-567-3000). DECIDE Kitchen of Innovation What: An arts incubation dinner where attendees see and listen to project pitches from dancers, filmmakers, painters, and puppeteers and vote on who receives the admission money raised that evening. Why: Local businesses (Sweetgreen, Frosting, Marvin) provide the meal; you supply the funding. When: Sat., 8 p.m. Where: St. Stephen’s Church, 1525 Newton St. NW, at 16th St. Tickets ($15-$20) at the door. To make reservations, e-mail email@example.com. DANCE Brazilian Celebration What: Cafe Saint-Ex throws an all-day party with authentic dishes, caipirinhas, samba, and electro funk from DJ Neville C. Why: DailyCandy readers get 20 percent off whatever they order. When: Today, 10 a.m.-1:30 a.m. Where: 1847 14th St. NW, at T St. (202-265-7839). Photo: Nick Lehoux / Courtesy of Bing Thom Architects Up to 70% off Alice & Trixie Alice & Trixie’s designs are colorful, spirited, and fresh, with flattering tops and well-cut shifts in exotic and vintage-inspired prints. Take up to 70% off these wardrobe updates today on Swirl.