Star Tracks: Monday, April 8, 2013

01 of 21

SPIN DOCTORS

They've got a need for speed! Jason Sudeikis and fiancée Olivia Wilde make their way around sunny N.Y.C. by Vespa on Sunday.

02 of 21

HOLDING FIRM

How sweet! Chris Hemsworth places a loving arm around wife Elsa Pataky on Sunday after shopping at the Calvin Klein Collection store in New York City.

03 of 21

COUNTRY STRONG

Mwah! Blake Shelton and Miranda Lambert seal their song of the year victory with a sweet kiss Sunday night during the Academy of Country Music Awards at the MGM Grand in Las Vegas.

04 of 21

TINY DANCER

January Jones gets into the groove of it Sunday with notably light-footed 18-month-old son Xander, who struts his stuff around Larchmont, Calif.

05 of 21

JUMP ON IT

Katy Perry plays for a good cause while teaming up with humanitarian organization UNICEF in Madagascar on Saturday.

06 of 21

DOUBLE BUNDLE

Anna Paquin and husband Stephen Moyer bring their twin babies, nearly 7 months, along for a sunny stroll in Venice Beach, Calif., on Saturday.

07 of 21

ON THE BALL

Rihanna, joined courtside by a pal, gets her head in the game watching the Los Angeles Clippers take down the Los Angeles Lakers 109-95 on Sunday.

08 of 21

HAMMER TIME

Tom Cruise breaks the ice – literally! – while chilling out at Saturday's Taipei, Taiwan, premiere of his new film, Oblivion.

09 of 21

ARM-Y STRONG

Flexing or fist-pumping? Robert Downey Jr. shows off those Iron Man 3-earned guns Saturday while promoting his movie in Beijing.

10 of 21

'LUCKY' CHARM

A single Michelle Williams keeps close company with a very special someone: pooch Lucky, who joins her for a Sunday stroll through Brooklyn, N.Y.

11 of 21

TEE TIME

Justin Timberlake gets into the swing of things playing golf with Kiefer Sutherland (not pictured) Saturday in Toluca Lake, Calif.

12 of 21

PLAY OFF

Stylist Rachel Zoe manages to turn a casual Saturday playdate with 2-year-old son Skyler into an oh-so-fashionable affair in Beverly Hills.

13 of 21

Sun Spot

Jessica Alba catches the waves and the rays on the sunny sands of St. Barts while on a splashy getaway with husband Cash Warren.

14 of 21

Game Guys

A cheerful Will Smith (left) and Olympic swimming champ Michael Phelps attend the 12th Annual Michael Jordan Celebrity Invitational Gala At ARIA Resort amp Casino in Las Vegas.

15 of 21

'HAVANA' GOOD TIME

While celebrating their fifth wedding anniversary in Cuba, Beyoncé and Jay-Z use snap judgment Friday as they capture the view from their Havana hotel balcony.

16 of 21

HAIRY PAW-TER

After daring to bare for GQ U.K., Emma Watson stays covered up and stops to greet a passing pooch Friday while having lunch in N.Y.C.

17 of 21

DASHING DUO

Dapper, party of two? Aaron Eckhart and Gerard Butler suit up for a gala dinner thrown by Antonello Colonna in honor of their film Olympus Has Fallen Friday in Rome.

18 of 21

WARDROBE MALFUNCTION

Liar, liar, pants on fire? Jack Black disrobes on the red carpet with Bob Saget on Friday prior to his Friars Club Roast, sponsored by Redd's Apple Ale, in New York City.

19 of 21

GAME ON

Angelina Jolie, and sons Knox, 4½, and Pax, 9, check out the scene at New York City's fabled FAO Schwarz toy store on Friday.

20 of 21

GOOD SPORT

This look is working out! Mom-to-be Kim Kardashian, whose maternity style has left some fashion followers shaking their heads, sticks with basic black as she heads to an L.A. gym on Friday.

21 of 21

STEPPING OUT

Selena Gomez looks comfortably chic Friday as she arrives for an interview at a Toluca Lake, Calif., studio.