Kate Hudson Shows Her Abs on the Set of 'Sister'

Kate Hudson is back to work on the set of her new movie!

The 38-year-old actress was spotted during some downtime from filming Sister on Monday (August 14) in Pasadena, Calif.

Kate showed off her toned abs in a sports bra paired with some jogger sweats and a denim jacket tied around her waist.

She kept her shaved head under the cover of a backwards baseball cap.

Over the weekend, Kate put her cropped cut on full display while hanging with boyfriend Danny Fujikawa and some other close friends.

She even took her turn at the mic and showed off her amazing voice while singing some tunes for her pals!