Star Tracks: Wednesday, October 3, 2012

01 of 15

MOTHER KNOWS BEST

Just two months after welcoming son Camden Jack, Kristin Cavallari shows off her figure (in Rubin Singer) on Tuesday at ULTA Beauty's breast cancer benefit in New York City.

02 of 15

HEAD CASE

Is he up to his old Harry Potter tricks? Daniel Radcliffe keeps his prosthetics in place during some downtime Tuesday on the Squamish, Canada, set of his latest film, Horns.

03 of 15

CUTE COUTURE

Emma Stone adds a pop of red to her ensemble – complete with a floral handbag! – as she heads to the Miu Miu fashion show in Paris on Wednesday.

04 of 15

JAW BREAKER

Mama said knock you out! LL Cool J takes a playful punch from Extra host Maria Menounos while filming a segment in Los Angeles on Tuesday.

05 of 15

WORK IT OUT

Leaving baby Luca (but not her diamonds!) at home, Hilary Duff keeps it sporty during a sunny outing in Beverly Hills on Tuesday.

06 of 15

9021-GLOW

After celebrating her , Jennie Garth strikes a pose during the world premiere of indie documentary Kingdom Come on Tuesday in Los Angeles.

07 of 15

BEAUTY & THE BEAST

Following an affectionate reunion with Chris Evans, Minka Kelly dotes on the lady in her life – dog Chewy – with a trip to the groomer in L.A. on Tuesday.

08 of 15

NIGHT LIGHT

After hitting the promotional trail for movie Butter, Ashley Greene enjoys a low-key night in Los Angeles on Tuesday.

09 of 15

LOOSEN UP

While her cat's away, Kim Kardashian squeezes in some solo play on a Tuesday outing in Miami, Fla.

10 of 15

COVER ARTIST

Who wore it better? Lady Gaga brings that safety pin Versace dress, made famous by Elizabeth Hurley in 1994, out of the archives and makes her way through a crowd of fans Tuesday in Milan.

11 of 15

DUSK TIL DAWN

From late night to wakeup calls! Stephen Colbert shifts gears to play cohost during a Tuesday taping of Good Morning America in N.Y.C.

12 of 15

SHOUT IT OUT

Nikki Reed makes her voice heard while supporting AXE Showerpooling, a campaign to educate the public on water conservation, in Los Angeles on Tuesday.

13 of 15