* A gala performance of "Six Dance Lessons in Six Weeks" will be presented at the Geffen Playhouse on Tuesday evening in tribute to Jack Lemmon. The event will benefit the Actors' Fund of America, the HB Playwright's Foundation and the playhouse. Tickets are $100 to $250. Call (323) 933-9266 Ext. 54.
* Laguna Art Museum sponsors the Laguna Beach Plein Air Painting Invitational gala dinner and collector preview sale at the museum at 6 p.m. Saturday. Tickets are $135. Call (949) 494-8971. Ext. 200.
* The Palos Verdes Art Center's Affaire Extraordinaire gala marking the opening of a benefit tour of five Peninsula homes will be Thursday evening. Home tours will be Friday through Sunday. Gala tickets are $125; tour tickets are $30. Call (310) 541-2479
* The fifth annual Justice Ball fund-raiser for Bet Tzedek Legal Services, which provides free legal aid to the elderly and indigent, will be Saturday at the Santa Monica Museum of Flying. Music will be by the B-52s. Tickets are $75. Call (323) 549 5846.
Patt Diroll is on vacation. Information for Social Circuits can be directed to her in Los Angeles or Ann Conway in Orange County. Diroll is at email@example.com; Conway at (714) 966-5952 or, by fax, (714) 966-7790.