Star Tracks: Monday, August 27, 2012

01 of 17

CALL ME MAYBE

Gwen Stefani keeps close company with 6-year-old son Kingston – and some very engrossing technology – at a Santa Monica, Calif., park Saturday.

02 of 17

HANDS TOGETHER

Natalie Portman flashes her megawatt smile as she reaches out to female voters during the Obama campaign's Nevada Women Vote 2012 Summit in Las Vegas on Saturday.

03 of 17

WHEEL IT IN

Katie Holmes accompanies daughter Suri Cruise, 6, as she gets a handle on bike riding (training wheels included) during a fun Saturday at a New York City playground.

04 of 17

DADDY'S GIRLS

Doting dad Ben Affleck treats his little ladies Violet, 6, and Seraphina, 3, to a sweet day with mom Jennifer Garner and baby brother Samuel, 5 months (not pictured), Saturday in Brentwood, Calif.

05 of 17

STEP RIGHT UP

With her custody battle underway, Halle Berry makes an entrance for a Saturday at the movies with daughter Nahla, 4, and a pal in Hollywood.

06 of 17

RUN WITH IT

Hot dad alert! Peter Sarsgaard, who welcomed his second child with wife Maggie Gyllenhaal in April, takes a break from diaper duty for a shirtless Sunday jog through Brooklyn.

07 of 17

DASHING DIANA

Naomi Watts runs – in heels! – while filming a tense scene for Diana in London.

08 of 17

EXTRA SUGAR

Leonardo DiCaprio pairs his coffee with a sweet smile on the set of The Wolf of Wall Street in New York City on Friday.

09 of 17

PERRY STYLISH

Katy Perry – who recently split with John Mayer links arms with an unknown man as the duo leaves SHOREBar in Santa Monica, Calif., on Friday.

10 of 17

BREAKFAST WITH BABY

Hilary Duff and baby Luca grab breakfast to-go in Los Angeles on Saturday.

11 of 17

WHITE HOT

She's putting the bun in Bündchen! An

expectant Gisele shrouds her growing belly Thursday while hosting Oral-B's 3D White event in São Paolo, Brazil.

12 of 17

'PAQ' LEADER

Mom-to-be Anna Paquin goes for a walk with her adorable dog in Venice Beach, Calif., on Friday.

13 of 17

IN THE BAG

Look who's stocking up! Oprah Winfrey keeps her hands full Thursday in Framingham, Mass., where she took three teenage girls on a shopping spree for dorm accessories at a local Bed Bath amp Beyond.

14 of 17