Celebs In Their 30s Show Off Their Beach Bods

Kate Hudson, 37, showed off the body that's helped her build a fitness empire with Fabletics on the beach in Malibu. Her son Ryder, with Chris Robinson, is 12, and Bingham, with Matt Bellamy, is 4.

Kourtney Kardashian, also 37, has had three kids but she still looks hot! Mason, 6, Penelope, 3, and Reign, 1, are all her children with ex Scott Disick.

LeAnn Rimes, 33, was white hot in a tiny bikini. She and husband Eddie Ciboria have no kids.

Jessica Alba, 35, was into the blue in her ensemble during a family vacation to Hawaii. She has two kids with Cash Warren: Honor, 7, and Haven, 4.

Christina Milian, 34, looked fit in Florida. Her daughter Violet is 6.