Nicole Richie Pregnant Bikini Pictures

A pregnant, bikini-clad Nicole Richie turns 26 Friday (today) and celebrates with Good Charlotte boyfriend Joel Madden on the beaches of Hawaii. The couple sunbathed and listened to music on their iPods. They even gave gave other affectionate kisses throughout the day.

Nicole, 26, and Joel, 28, expect their first child in January.

HAPPY BIRTHDAY, NICOLE!

20+ pictures inside of Nicole Richie pregnant bikini pictures…