Can't-Miss Celebrity Pics!

Reese Witherspoon stepped out looking bright and fresh after returning to LA from a family getaway. Elsewhere on the West Coast, Alessandra Ambrosio picked up groceries, and Zoe Saldana brought her bump to a bash. In other can't-miss photos, Michelle Rodriguez revealed her fit abs and megawatt smile, David Beckham stepped out for dinner with a famous buddy, and Serena Williams played tennis in a not-so-ideal location. Keep reading for all that and more!

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Alessandra Ambrosio stocked up on groceries in LA on Thursday.

Getty | Dimitrios Kambouris

Julianne Hough wore white to a party to kick off the US Open in NYC on Thursday.

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Kate Moss slipped into a black bikini while vacationing in Spain on Thursday.

Getty | Gabriel Olsen

Eva Longoria posed with Ed Harris at the LA premiere of Frontera on Thursday.

Getty | Angela Weiss

Tara Reid and Ian Ziering attended a bash for Sharknado 2 in LA on Thursday night.

Getty | Charley Gallay

Zoe Saldana showed off her bump alongside Michelle Dockery at an Emmys party in LA on Thursday night.

Getty | Dimitrios Kambouris

Ashley Greene went floral for a US Open kick off party in NYC on Thursday.

Getty | Noel Vasquez

Tyra Banks and Mario Lopez took a photogenic selfie while filming Extra in LA on Wednesday.

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On Wednesday, David Beckham opted for a casual look to grab dinner with Gordon Ramsay in LA.

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Serena Williams showed off her tennis moves in a skirt and serious stilettos during an episode of Late Show With David Letterman in NYC on Wednesday.

Getty | Chance Yeh

Heidi Klum dazzled on the America's Got Talent red carpet in NYC on Wednesday.

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Madonna was surrounded by tan friends on the open water in Formentera, Spain, on Tuesday.

Getty | Jamie McCarthy

Rita Ora and Chrissy Teigen brought infectious energy to the launch of DKNY's MYNY fragrance launch event in NYC on Tuesday.

Getty | Ray Tamarra

Ansel Elgort took a selfie with a fan outside Good Morning America on Tuesday.

Getty | Al Pereira

Jennifer Hudson hit the high notes with poise while performing on Today on Tuesday in NYC.

Getty | Kevin Winter

Bruce Willis and Josh Brolin were a handsome pair of pals at the Sin City: A Dame to Kill For premiere afterparty in LA on Tuesday.

Getty | David Krieger/Bauer-Griffin

Rihanna sported short shorts for her Tuesday on the town in NYC.

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Joshua Jackson showed off his toned physique while running errands in NYC on Wednesday.

Getty | Brian Ach

Kelly Osbourne let out a big laugh at an event for her debut clothing line, Stories, in NYC on Tuesday.

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On Tuesday, Joe Manganiello's ripped body was on display in LA.

Getty | Donna Ward

Joseph Gordon-Levitt opted for a casual look — complete with a backpack! — after his appearance on the Late Show With David Letterman in NYC on Tuesday.

Getty | Michael Tran

Rashida Jones struck a pose at an event for New Balance and James Jeans in LA on Tuesday.

Getty | Dimitrios Kambouris/LP5

Taylor Swift checked out the NYC view on Monday.

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Chloë Moretz held onto her brother Trevor's hand while walking around NYC on Monday.

Getty | Walter McBride

Rose Byrne cuddled a kitten at a Monday event in NYC.

Getty | Rob Kim

On Monday, Jared Leto picked up his cell during a visit to NYC's Music Choice.

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Sofia Vergara grabbed lunch with friends in LA on Monday.

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Diane Kruger left an NYC gym on Monday.

Getty | Victor Chavez

The Rock snapped photos at an event for Hercules in Mexico City on Monday.

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Mandy Moore and Minka Kelly checked out a movie in LA on Monday night.

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Selena Gomez strutted her stuff while lunching with friends in LA on Tuesday.

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Zoe Saldana and her husband, Marco Perego, took a stroll around their LA neighborhood on Monday.

Getty | Frazer Harrison

Jaime King and Jessica Alba posed together at the LA premiere of Sin City: A Dame to Kill For on Tuesday night.

Getty | Rob Kim

Ali Larter put her baby bump on display during a Pampers event in LA on Wednesday.

Getty | Patricia Schlein/Star Max

On Wednesday, Jessica Chastain flashed her smile on a stroll with her boyfriend, Gian Luca Passi de Preposulo, in NYC.

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Reese Witherspoon looked polished for an afternoon of errands in LA on Thursday.