Tu B’Av, a.k.a. the Jewish Valentine’s Day, kicks off tomorrow night—which means New Yorkers have a whole weekend to feel the love. The Jewish Telegraphic Agency rounded up some cute ways to celebrate (think: speed dating and mixers galore), but the one that really caught our eye is Bangitout’s 22nd Annual Tu B’Av White Party, … Celebrate Tu B’Av at this singles-only white party in Riverside Park next week