Hot Bikini Moms

Update Wednesday December 02, 2009 01:00 AM EST Originally posted Wednesday December 02, 2009 01:00 AM EST

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CAMILLA ALVES

After giving birth to son Levi, 1, Alves (in Malibu in January) began a 40-day fruit, salad and protein diet but stayed away from workouts to "allow the body to readjust," she says.

KELLY RIPA

Ripa (with sons Michael, 12, and Joaquin, 6, in Miami in May) takes classes at New York City's Physique 57 gym three to four times a week. "She's got tremendous muscle tone," says Physique 57 founder Tonya Becker.

LISA RINNA

"I dance, I run, I do Pilates, yoga, I spin—I do everything!" says actress Lisa Rinna (with daughters Delilah Belle, 11, and Amelia Gray, 8, in Malibu in July).

Does 600 Sit-ups a Day

MEL B

For those killer abs, the Spice Girl (with daughter Angel Iris, 2, in Las Vegas) does 600 sit-ups a day! "I like how quickly you can see results," she explains.

Kate After Eight!

KATE GOSSELIN

After delivering eight babies via C-section, Gosselin turned to plastic surgeon Lawrence Glassman for a tummy tuck.

ELLE MACPHERSON

The ex-SPORTS ILLUSTRATED swimsuit model looks cover-ready as she strolls with son Aurelius, 6, on a Sydney beach.

KATE MOSS

While vacationing in Saint-Tropez in August, the model and daughter Lila Grace, 7, enjoyed Mommy-and-me time diving off a yacht.

ALI LANDRY

"I love food and I love living," says Landry (with daughter Estela, 2) of occasionally breaking her healthy diet to eat cheeseburgers or pizza. "Chocolate is not cheating!"