^I can't tell you how many but here are a few that come to my mind: Givenchy Nightingale, Hermès Constance, Hermès Kelly, Hermès Birkin, Prada Napafringed bag, Prada drawstring bag, Fendi twins tote, Alexander Wang Coco duffle, Chanel 2.55, Céline Luggage, Balenciaga City (probably 4 of them: black, brown, white, green), Balenciaga Weekender, YSL Roady, Marco Tagliaferri, Proenza Schouler PS1 (bags and pouchs), Chloé python Paraty, Prada Oleandro Canapa bag, Prada nylon backpack, a small red Prada, I can think of another Prada bag MK wore in Japan but I can remember the name, 2 or 3 vintage Chanel, Chanel Hobo bag, some giant plastic-looking bag, Hermès Market bag, LV Speedy and Gucci doctor bag.
Hope that helps you!