Moms deserve to be off-duty on Mother's Day , but motherly multitasking doesn't stop for the second Sunday in May. Even Rihanna had to juggle it all on May 10: She carried not one, but two highly-coveted designer handbags with her date night suit set. Rihanna and A$AP Rocky 's kids, RZA, Riot, and Rocki, stayed home while mom and dad hit the town in head-to-toe designer outfits. Still, the pop star's hands were full outside New York City's Cucina Alba restaurant. First, she slung a Chanel Cruise 2025 crossbody flap bag over her shoulder, right where Rocki would normally be. Rihanna wore not one, but two designer handbags for Mother's Day dinner with A$AP Rocky. (Image credit: Backgrid) She chose her most summery bag of the season so far against a season-defying, all-black suit. Raffia covered every square inch of the $10,600, Mini Flap Bag . Its interlocking, double-C closure matched the turnlocks on A$AP Rocky's quilted, burgundy Chanel tote.…