Star Tracks: Thursday, March 27, 2014

01 of 21

TURNING HEADS

Kate Beckinsale taps into her animal instincts Wednesday while attending the press night performance of I Can't Sing! The X Factor Musical at the London Palladium.

02 of 21

BIG MAN ON CAMPUS

With his shades on and his hair coiffed, Brad Pitt shows his approval on Wednesday while heading to a Hollywood screening for the new documentary he executive produced, Big Men.

03 of 21

JUST KIDDING

1, 2, 3 ... aww! Emma Stone and Andrew Garfield get up close and personal with a super Spidey fan during a screening of their new film, The Amazing Spider-Man 2, Wednesday in Singapore.

04 of 21

IN FOCUS

Kaley Cuoco-Sweeting gets the press line snapping as she makes an elegant arrival to A Night at Sardi's, a benefit for the Alzheimer's Association, Wednesday at the Beverly Hilton Hotel.

05 of 21

SERIOUS BUSINESS

Why not have a little fun on the red carpet, right? Costars Jennifer Connelly and Russell Crowe make the most of their big night out, premiering their new film Noah with a little added flair on Wednesday night in N.Y.C.

06 of 21

TRAVELING TWOSOME

Look what a vacation will do to you! Justin Timberlake and wife Jessica Biel flash happy smiles as they return to Los Angeles on Wednesday after a romantic trip to Barbados.

07 of 21

HAMMING IT UP

Also attending A Night at Sardi's: Joey McIntyre, who stands front and center while performing inside the Beverly Hilton Hotel.

08 of 21

LAUGH FACTORY

Nothing to see here ... just the leader of the Catholic Church, Pope Francis, making the leader of the free world, President Barack Obama, crack up during a trip to the Vatican, where the two exchanged gifts on Thursday in Italy's Vatican City.

09 of 21

GYM BUDDIES

What's better than having a workout pal? Having a famous workout pal! Reese Witherspoon and Naomi Watts leave a yoga class together on Wednesday in Brentwood, Calif.

10 of 21

IN THE HOOD

Jared Leto maintains a low profile while arriving at the airport in Melbourne, Australia, with his 30 Seconds to Mars bandmates on Wednesday.

11 of 21

FEELING BLUE?

A color-coordinated Kelly Rowland keeps her engagement ring out of sight on Wednesday while heading out in N.Y.C.

12 of 21

SPEAK NOW

Selena Gomez speaks from the heart while appearing at We Day – an educational event aimed at inspiring young people to promote change – on Wednesday in Oakland, Calif.

13 of 21

LANDING GEAR

Sporting quite the cute travel outfit, Rosario Dawson makes her way through LAX on Wednesday.

14 of 21

MILLION DOLLAR SMILE

Jon Hamm brings home the CinemaCon award for Excellence in Acting Wednesday during his appearance at the Walt Disney Studios presentation in Las Vegas, where his latest film, Million Dollar Arm, was screened.

15 of 21

HOT, HOT, HOT!

Wednesday's chilly temperatures are no match for Shakira, who heats up New York's Rockefeller Plaza during a performance on the Today show, where she sang two songs from her new self-titled album.

16 of 21

FLORAL DECOR

Is it spring yet? Miranda Kerr dresses up N.Y.C.'s Upper East Side Wednesday while braving the cold in a sleeveless pink-and-black flowery frock and open coat.

17 of 21

LONE RANGER

Shades and scruff can't disguise Ryan Reynolds's famous good looks as he exits Vancouver's St. Andrews Church following a lunch break with wife Blake Lively, who's in town shooting a new movie, The Age of Adaline.

18 of 21

PUP TENT

We spy with our little eyes … Julianne Hough trekking through a Washington, D.C., airport on Wednesday toting Lexi, her adorable Cavalier King Charles Spaniel, who takes in the view from behind.

19 of 21

NICE ARRANGEMENT

Where do new parents go when they've got a night off from baby? If you're Simon Cowell and Lauren Silverman, you head to Wednesday's press preview of I Can't Sing! The X Factor Musical at the London Palladium.

20 of 21

HAPPY TO BE HERE

No cold weather blues for Anne Hathaway, who merrily makes her way to London's BBC Studios on Wednesday.

21 of 21

GOING GREEN

Surf's up for Captain America: The Winter Solider star Anthony Mackie, who films against a green screen alongside TV host Adal Ramones Wednesday during his visit to the Miami set of Univision morning show Despierta América.