Kate Hudson makes jaws drop as she shows off her taut midsection in a tiny bikini while celebrating her 46th birthday!

Celebrities including Kate Hudson, Jennifer Lopez and Jennifer Aniston ... However, within the first few minutes of the workout, I realised this was an entirely different workout.

She paired the colorful swimsuit top with a brown patterned sarong as she sported a black purse on her shoulder to carry one ...

Kate Hudson soaked up the rays on Thursday in a ... Kate revealed the secret behind her killer physique as she shared her workout routine with People. "I need to be moving to feel good.

MyFitnessPal Kate Hudson knows the importance of maintaining a healthy lifestyle. The actress, 44, spoke exclusively with PEOPLE about her new partnership with MyFitnessPal, a health and fitness ...