This weekend, spring forward. EAT Iron Chef Louie’s Anniversary Bash What: Chef Louis DiBiccari and his buddies have thrown impromptu dinner parties around Boston for four years. Why: For $20, you vote on the menu; they do all the cooking — capiche? When: Fri., 7-9:30 p.m. Where: Sanctuary, 189 State St., Boston (617-573-9333). R.S.V.P. at ironcheflouie.com. BUY Aimee G. Spring Launch What: The New York designer graces us with her new line and accessories. Why: She’s a real wild child. When: Fri., 5-8 p.m.; Sat., 10 a.m.-5 p.m. Where: Turtle, 619a Tremont St., South End (617-266-2610). Amy Tangerine Spring Launch What: Designer Amy Tan brings her spring wares along with pal/author Kristin Harmel to celebrate The Blonde Theory. Why: Cocktails and couture. When: Sat., 6-9 p.m. Where: Queen Bee, 85 Newbury St., Back Bay (617-859-7999). SEE Oscar Shorts What: The ICA is screening all the animated and live-action shorts nominated for this year’s Oscar’s. Why: Keep it short and sassy. When: Sun. Live action, noon; animated, 3 p.m. Where: 100 Northern Ave., South Boston (617-478-3100 or icaboston.org). HEAR The Downbeat 5 What: Local punk-garage outfit releases new album, Victory Motel. Holly Golightly headlines. Why: It’ll be good and gritty. When: Fri., 9 p.m. Where: The Middle East, 472-480 Massachusetts Ave., Central Square. Tickets at 617-931-2000 or online at ticketmaster.com.