Sylvia Weinstock, the Fabergé of wedding cakes, is 89 and still at it, fashioning stupendous special-occasion confections. She will be at the Museum at Eldridge Street to talk about her life and loves and help celebrate Tu B’Av, a holiday that’s like a Jewish Valentine’s Day. There will be music, food , drinks and readings of love letters.

Summer Loving Soiree, 7 to 9 p.m., Aug. 15, $36 for adults, $25 for students and those over 65, Museum at Eldridge Street, 12 Eldridge Street, 212-219-0302, eldridgestreet.org. )

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