As I write this, my nails are sheer with white dots, inspired by Carpenter’s go-to look. On Cardi B, nail artist Coca Michelle crafted an exaggerated black-and-white polka dot look.

“We’re seeing some really fun variations on the polka-dot trend this summer, from classic black-and-white to more vibrant color combinations.

Polka-dot plants develop very quickly with ideal light, water and temperature conditions. Although they can grow to about 24 inches high and 18 inches wide, it is best to try to maintain them ...