Star Tracks: Thursday, September 10, 2015

From Hollywood to New York and everywhere in between, see what your favorite stars are up to!

01 of 27

PURPLE REIGN

PURPLE REIGN
Evan Agostini/Invision/AP

And the Toronto International Film Festival begins! Natalie Portman kicks off the big event at Wednesday night's TIFF Soiree charity event.

02 of 27

LAUGH-IN

LAUGH-IN
George Pimentel/WireImage

Nearby, Karlie Kloss gets the giggles while at the L'Oréal Paris TIFF kick-off VIP cocktail reception in Toronto on Wednesday.

03 of 27

HELLO, GORGEOUS

HELLO, GORGEOUS
Bauer-Griffin/GC Images

Hot mama! Scarlett Johansson brings on her sexy side while arriving to The Late Show with Stephen Colbert on Wednesday in N.Y.C.

04 of 27

POWER PAIR

POWER PAIR
Jean Catuffe/GC Images

That's it! Jimmy Fallon and Justin Timberlake dancing to Beyoncé's at the U.S. Open on Wednesday in N.Y.C. proves that they give the best #friendshipgoals.

05 of 27

A-LIST SUPPORT

A-LIST SUPPORT
Vivien Killilea/Getty

For her New York Fashion Week debut, reality star-turned-designer Lauren Conrad is joined my model friend Chrissy Teigen on Wednesday for a look at her Kohl's Collection.

06 of 27

A 'REBEL' AT 'HEART'

A 'REBEL' AT 'HEART'
Kevin Mazur/Getty

No surprises here: Madonna once again gives an unforgettable red-hot performance during a stop on her Rebel Heart tour in Montreal, Canada, on Wednesday.

07 of 27

DATE NIGHT

DATE NIGHT
John Sciulli/Getty

Dave Franco and Alison Brie, who got engaged in August, attend the L.A. premiere of the actress's new film Sleeping with Other People (sponsored by Dark Horse) on Wednesday.

08 of 27

CAMERA-READY

CAMERA-READY
Joe Schildhorn/BFA/Sipa USA

Kendall Jenner knows how to kick off New York Fashion Week in style as she attends a party on Wednesday hosted by Leonard A. Lauder and Judy Glickman Lauder.

09 of 27

'GREEN' WITH ENVY

'GREEN' WITH ENVY
Taylor Hill/FilmMagic

Jessica Simpson puckers up to biggest fan, husband Eric Johnson, at a celebration of her eponymous brand's 10th anniversary ahead of New York Fashion Week at Tavern on the Green on Wednesday.

10 of 27

AMERICAN GOTHIC

AMERICAN GOTHIC
Splash News Online

We expect nothing less from Lady Gaga's beach attire, but the star's head-to-toe black ensemble is actually for her role in American Horror Story: Hotel as the show films in Santa Monica, California, on Wednesday.

11 of 27

'WIZ' KIDS

'WIZ' KIDS
Bob Levey/Getty

Never one to disappoint on her 1989 tour, Taylor Swift invites special guest Wiz Khalifa to perform on stage with her in Houston, Texas, on Wednesday.

12 of 27

BAREFACED BEAUTY

BAREFACED BEAUTY
Dave Kotinsky/Getty

Actress Maggie Q opts for an all-natural look while attending a Cinema Society and Dior Beauty creening of the film Breathe on Wednesday in N.Y.C.

13 of 27

TALK OF THE TOWN

TALK OF THE TOWN
Ron Asadorian/Splash News Online

Ellen DeGeneres takes a break from filming her talk show in N.Y.C. to see the sights with wife Portia de Rossi on Wednesday.

14 of 27

RED CARPET TWINS

RED CARPET TWINS
Mario Anzuoni/Reuters/Landov

Jason Clarke and Josh Brolin appear to be each other's style muses as they arrive to the L.A. premiere of Everest on Wednesday.

15 of 27

GLAM FAM

GLAM FAM
Amanda Edwards/WireImage

Demi Moore enjoys a mommy-daughter date with girls Tallulah, 21, and Scout, 24, at the Salvatore Ferragamo 100 Years in Hollywood celebration at the brand's new flagship store in Beverly Hills on Wednesday.

16 of 27

CALIFORNIA GIRL

CALIFORNIA GIRL
Jason Kempin/Getty

Looking flawless in a figure-flattering dress, model Ireland Baldwin also attends the Salvatore Ferragamo celebration on Wednesday.

17 of 27

FUNNY GUYS

FUNNY GUYS
Earl Gibson III/WireImage

Aisha Tyler and brothers Mark and Jay Duplass know how to work a red carpet as they attend the Television Academy Celebrates Interactive Media Nominees for the Emmy Awards on Wednesday in Beverly Hills.

18 of 27

CURVES AHEAD

CURVES AHEAD
Fotonoticias/WireImage

Penélope Cruz stuns in an off-the-shoulder black dress at Wednesday's premiere of her film Ma ma in Madrid, Spain.

19 of 27

SEALED WITH A KISS

SEALED WITH A KISS
Fotonoticias/WireImage

Also at the premiere, Cruz's husband Javier Barden gives mom Pilar a smooch.

20 of 27

FESTIVAL FRIENDS

FESTIVAL FRIENDS
Splash News Online

Diane Kruger and Elizabeth Banks take a break from attending the Venice Film Festival to explore the sights in Italy on Wednesday.

21 of 27

PICTURE PERFECT

PICTURE PERFECT
All Access Photo/Splash News Online

Camila McConaughey dons a figure-flattering jumpsuit to attend the Couture Council Awards Benefit Luncheon honoring footwear designer Manolo Blahnik in N.Y.C. on Wednesday, ahead of New York Fashion Week.

22 of 27

ONE COOL COUPLE

ONE COOL COUPLE
Splash News Online

Also at the luncheon: Alec Baldwin, who sticks close to wife Hilaria outside the venue.

23 of 27

MODEL WALK

MODEL WALK
Splash News Online

Nearby, model Petra Nemcové makes her own grand entrance to the Couture Council Awards Benefit Luncheon.

24 of 27

SHINING STAR

SHINING STAR
Charly Triballeau/AFP/Getty

Attending the screening of Ruth and Alex, Elizabeth Olsen works the red carpet at the Deauville American Film Festival in France on Wednesday.

25 of 27

FLAUNT IT

FLAUNT IT
Raymond Hall/GC Images

Sporting an emerald green dress, Jessica Simpson spends the day in the SoHo neighborhood of N.Y.C. on Wednesday afternoon.

26 of 27

SHADY BUSINESS

SHADY BUSINESS
Splash News Online

Kate Bosworth and her husband Michael Polish leave their N.Y.C. hotel wearing matching mirrored sunglasses on Wednesday.

27 of 27

QUEEN FOR A DAY

QUEEN FOR A DAY
Zuma Press

In Edinburgh, Scotland, on Wednesday, Queen Elizabeth II greets the crowd as she celebrates becoming Britain's longest reigning-monarch.

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