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

PENÉLOPE CRUZ

Although she rarely gave a glimpse of her bump during her last pregnancy, the actress – who welcomed her second child with husband Javier Bardem on July 22, 2013 – put her belly on full display in a tiny black two-piece while vacationing in Barbados that March.