Star Tracks: Thursday, March 19, 2015

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WORD ON THE STREET

Rose Byrne only has eyes for boyfriend Bobby Cannavale at the premiere of his film Danny Collins on Wednesday in N.Y.C.

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GET LOW

Isn't it past her bedtime? Jennifer Garner squats to pose next to her Danny Collins costar, Giselle Eisenberg, at the film's New York City premiere after-party.

03 of 25

ENJOY THE RIDE

All smiles at the Mouse House! Demi Lovato, who recently celebrated her third year of being sober, joins friends for a trip to Disneyland in Anaheim, California, on Wednesday.

04 of 25

VESTED INTEREST

Looking effortlessly chic in distressed jeans and bright red vest, Kate Hudson heads to a business meeting in Century City, California, on Wednesday.

05 of 25

NO DOWN TIME

After a royally fun visit with Princess Kate, it's back to work on Downton Abbey as Michelle Dockery, a.k.a. Lady Mary, films scenes for the hit show on Thursday in Oxford, England.

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LOVELY LADIES

Jason Alexander finds himself sandwiched between some showgirls Wednesday at the 23rd annual Night at Sardi's benefit for the Alzheimer's Association in Beverly Hills.

07 of 25

SING A SONG

NKOTB's Joey McIntyre also belts out a tune on stage at the Night at Sardi's fundraiser.

08 of 25

GREEN AND GLAD

After introducing son Titan Jewell to the world, Kelly Rowland enjoys a night out at Demi Lovato's first-ever Lovato Scholarship Benefit concert in West Hollywood on Wednesday.

09 of 25

SHAKE IT OFF

Iggy Azalea keeps it moving during an early-morning performance at the Samsung Milk Music Lounge at the SXSW festival in Austin, Texas, on Thursday.

10 of 25

A-TISKET, A-TASKET

Will Ferrell may not seem like the prime candidate to be Little Debbie's next spokesperson, but that sure doesn't stop him from trying during an appearance on The Tonight Show in N.Y.C. on Wednesday.

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WALK & TALK

Jenna Dewan-Tatum is a woman on the go, heading through the streets of Los Angeles on Wednesday.

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NO 'SMALL' FEAT

Supermodel Joan Smalls flashes a smile at the launch of her capsule collection for True Religion in N.Y.C. on Wednesday.

13 of 25

GAME TIME

What's Jon Snow doing in a suit? Game of Thrones star Kit Harington attends his show's season 5 world premiere on Wednesday at the Tower of London.

14 of 25

FOUR THE MOMENT

Also there: costars Natalie Dormer, Gwendoline Christie, Sophie Turner and Nikolaj Coster-Waldau.

15 of 25

RADIANT IN RED

Rita Ora gets all dressed up to celebrate the 100th anniversary of Coca-Cola's iconic contour bottle (in head-to-toe classic Coke red, of course!) in London on Thursday.

16 of 25

HAVE A G'DAY

Nicole Richie continues to rack up those frequent flyer miles as she jets to Sydney, Australia, on Thursday for an event at the Westfield shopping center in Sydney's Parramatta district.

17 of 25

INTERNATIONAL SPORTS

Mongolian sumo wrestler Hakuho Sho shakes hands with former New York Yankee Derek Jeter Thursday during the Grand Sumo Spring Tournament in Osaka, Japan.

18 of 25

SUPERSTAR SLAM

Tennis champ and center court staple Serena Williams addresses the crowd after a quarterfinal win on Wednesday at the BNP Paribas Open in Indian Wells, California.

19 of 25

IN STYLE

Zoë Saldana and Amy Adams pose on both sides of Gwen Stefani's perfect polka dots Wednesday at The Hollywood Reporter and Jimmy Choo celebration of the magazine's Most Powerful Stylists in Hollywood list in West Hollywood.

20 of 25

KISS AND TELL

Lindsey Vonn seals her Downhill World Cup win with a kiss as she takes home the coveted crystal globe at Wednesday's FIS World Cup finals at Roc de Fer in Meribel, France.

21 of 25

BELLE OF THE BALL

Pippa Middleton stuns in powder blue at the ParaSnowBall 2015, a black tie event celebrating Sochi 2014 Paralympians, in London on Wednesday.

22 of 25

CAMERA READY

Today cohost Hoda Kotb and Watch What Happens Live's Andy Cohen – both new SiriusXM hosts – make selfie-taking a snap at station's studios in New York City on Wednesday.

23 of 25

BLONDE AMBITION

Mad Men's Christina Hendricks shows off her softer strawberry blonde locks on a windy Wednesday walk around N.Y.C.

24 of 25

THE BRITISH ARE COMING

Prince Charles and Camilla, Duchess of Cornwall, enjoy the sounds of a fifer playing "God Save the Queen" during their visit to Mount Vernon, Virginia (George Washington's home) on Wednesday.

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