Blue Ivy Carter, 8, is here to take care of your hand washing needs while quarantined and we are here for it! Her proud grandmother Tina Knowles, 66, posted a minute-long Instagram video of the youngster demonstrating her best tips on how to wash your hands to avoid to the coronavirus on Saturday, April 18. You don’t see Blue’s face throughout but she did manage to wear a colorful pink manicure during her tutorial.