CERA-IOUSLY: Part documentary, part modern love story, "Paper Heart" stars Michael Cera (the John Cusak of the new millennium) with Charlyne Yi (his real-life girlfriend up until about five minutes ago). See the evidence on film during the Gen Art Screening Series showing tonight at the AMC Loews on Michigan Avenue. An after-party will follow at District Bar. 7:30PM, $15.
SUITE AND SOUR: See "Plaza Suite," Neil Simon's classic comedy featuring the visitors staying in Suite 719 of NYC's Plaza Hotel, during the popular Theater on the Lake series this evening. The bawdy alfresco production is presented by the Eclipse Theatre Company. 7:30PM, $17.50.
SPIN DOCTORS: Catch the final contest of the "Lollapalooza Last Band Standing Remix Competition" DJ battle. Tonight's contenders include Bobby LaBeat, DJ Pasha, Neiliyo and Punk Fresh, who will duke it out at Double Door. The competition is hosted by Chicago's own DJ royalty Hollywood Holt. 8PM, free.