Audrina Patridge Flaunts Baby Bump in New Bikini Pic — Plus See the Cast of ‘The Hills’ Then and Now!

Fun in the sun!

The former Hills star, Audrina Patridge debuted her growing baby bump on Instagram — and she's never looked better!

The 30-year-old, who recently revealed that she's expecting baby No. 1 with fiancé Corey Bohan, posed in the ocean while sporting a black and blue string bikini along with a pair of stylish shades.

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The reality star, who got engaged to the 34-year-old in November after seven years of on-again, off-again dating, announced her pregnancy with an adorable Instagram.

"I finally figured out what to get Corey for Christmas!" she wrote.

Click through the gallery below to see what the rest of The Hills cast looks like now!