Star Tracks: Monday, October 1, 2012

01 of 17

GIVE THEM A HAND

Buddy system! On-the-move mom Katie Holmes keeps her hands full Sunday with a warm beverage, 6-year-old daughter Suri and another fashionable little one on a stroll through N.Y.C.

02 of 17

BIEBER FEVER

Feeling well, Justin? After falling ill in Arizona, Bieber returns to the stage Sunday for a Las Vegas tour stop. "Did it BIG," he Tweeted.

03 of 17

PRETTY PEDAL

After dishing about her love life, Taylor Swift goes for a spin (wearing cat shoes!) in Paris on Monday. "Shooting a music video in Paris today... (always wanted to say that!!)" she Tweeted.

04 of 17

PLAY THE FIELD

After an "affectionate" lunch date during the week, Heidi Klum and her rumored beau, bodyguard Martin Kirsten, keep it casual Saturday at a flag football practice in Brentwood, Calif.

05 of 17

SEA YOU THERE

He's on a boat! Alec Baldwin strikes a pose from the coast of La Paz, Mexico, on Sunday.

06 of 17

BUMP WATCH

Hot (soon-to-be) mama! Malin Akerman, who's expecting her first child, glows backstage with Emily VanCamp at Saturday's Environmental Media Awards in Burbank, Calif.

07 of 17

WALK THE WALK

Miley Cyrus stays connected to fiancé Liam Hemsworth while out and about Saturday in Santa Monica, Calif.

08 of 17

FAMILY TREE

Make way! Chris Martin holds on tight to son Moses, 6, and daughter Apple, 8, during a visit to Portofino, Italy, on Saturday.

09 of 17

In Her Environment

Jessica Alba dazzles Saturday at the Environmental Media Awards in Los Angeles.

10 of 17

Party Pose

Kendra Wilkinson attends the launch of Resident Evil 6 in Hollywood on Friday.

11 of 17

CITY WALK

Doting dad Liev Schreiber handily guides his son Kai, 3, after a day at school in New York City on Friday.

12 of 17

PLATFORM EDGE

But you can't take the glamour out of the girl! Kristin Cavallari gets back to baby business, stepping out with 7-week-old son Camden on Friday afternoon in L.A.

13 of 17

IN THE BAG

Pippa Middleton earns her stripes during a shopping trip in London's Battersea neighborhood on Friday.

14 of 17

GET HER NUMBER

In a New York minute! Following a stylish takeoff in London, Rihanna stops traffic while making her way through the Big Apple on Friday.

15 of 17

WHITE OUT

A low-key Kristen Stewart makes a safe landing back in Los Angeles on Friday.

16 of 17

OBSERVE & REPORT

Bride-to-be Jennifer Aniston and costar Jason Sudeikis stay focused while filming a scene for their upcoming comedy, We're the Millers, in Albuquerque, N.M., on Friday.

17 of 17

MAN OF FASHION

Kanye West is all business while attending the Christian Dior Spring/Summer 2013 runway show during Paris Fashion Week on Friday.