Stars Show Off Their Bikini Bumps!

Kristin Cavallari flaunts her bump in a two-piece, Jaime King shares her swimsuit-wearing rules and more moms-to-be who look just swell for summer

KOURTNEY KARDASHIAN

After weeks of keeping her bump chicly under wraps, the expectant reality star (who welcomed her third child, son Reign, in December 2014) bared her growing belly in a gold metallic bikini – with a little help from 2-year-old daughter Penelope – during a family vacation in the Hamptons.