Week in celebrity pictures Aug. 28-Sept. 1

Sienna Miller leaves after her appearance in "Cat On A Hot Tin Roof" theatre cast departures in London on Aug. 31, 2017.

Kaley Cuoco helps launch Panera Bread's new Craft Beverage Station in Los Angeles on Aug. 30, 2017.

Nicole Scherzinger appears at the Chosen by Nicole Scherzinger fragrance launch in London on Aug. 31, 2017.

Alyssa Milano visits the Magic Kingdom Park at Walt Disney World in Lake Buena Vista, Florida, on August 29, 2017.

Kristin Cavallari arrives at her pop up shop for Uncommon James Jewelry line in Los Angeles on Aug. 30, 2017.

Kristen Stewart attends the MOMA Screening of Refinery29's "Come Swim" directed by Kristen Stewart at MOMA in New York City on Aug. 30, 2017.

Reese Witherspoon is spotted out and about in Los Angeles on Aug. 31, 2017.

Bryan Cranston discusses his new book "A Life In Parts" at Downtown Central Library in Glendale, Calif., on Aug. 30, 2017.

Hilary Duff is spotted out and about in Los Angeles on Aug. 30, 2017.

Eva Longoria wears "There is a fine wine between love and war" t-shirt while out in Los Angeles on Aug. 30, 2017.

Kaley Cuoco and Mario Lopez take a selfie on the set of "Extra" in Los Angeles on Aug. 30, 2017.

Sarah Silverman is spotted filming in New York City on Aug. 30, 2017.

Brian Austin Green splashes around at the Hard Rock Hotel Riviera Maya in Mexico on Aug. 29, 2017.

Melissa Joan Hart gets her unwanted dark spots removed with the new CryoCorrect Treatment from SkinCeuticals at the NicholsMD dermatology practice with Dr. Kim Nichols in Greenwich, Connecticut, on Aug. 30, 2017.

Tiffani Thiessen promotes Uncle Ben's Ben's Beginners campaign and contest at The Kitchen Table NYC in New York City on Aug. 28, 2017.

Carole Radziwill attends the opening of sbe's Katsuya restaurant at the Baha Mar resort in Nassau in the Bahamas on Aug. 29, 2017.

Reese Witherspoon and Ava Phillippe attend the "Home Again" premiere in Los Angeles on Aug. 29, 2017.

Duchess Kate, Prince William, and Prince Harry appear during a visit to The Sunken Garden at Kensington Palace in London on Aug. 30, 2017.

Victoria Beckham and Romeo Beckham watch Federer vs. Tiafoe in the U.S. Open at Arthur Ashe Stadium in New York City on August 29, 2017.

Mary-Kate Olsen participates in the Hampton Classic Horseshow on Aug. 29, 2017.

Ali Fedotowsky, Kristin Cavallari and Debbie Matenopoulos appear on "Home & Family" for Hallmark in Los Angeles on Aug. 29, 2017.

Heidi Klum attends the "America's Got Talent" Season 12 Live show in Los Angeles on Aug. 29, 2017.

Jada Pinkett Smith promotes "Girls Trip" in Sydney, Australia, on Aug. 29, 2017.

Jennifer Morrison attends a special screening of "Tulip Fever" in New York City on Aug. 29, 2017.

Dave Grohl and Taylor Hawkins participate in a Foo Fighters photo shoot at the Intercontinental Hotel in Sydney, Australia, on Aug. 29, 2017.

Nicole Scherzinger attends "The X Factor"TV show press launch in London on Aug. 30, 2017.

Lorde performs during the iHeartRadio Secret Sessions by AT&T at the magical Houdini Estate in Los Angeles on Aug. 29, 2017.

Lake Bell attends the "Home Again" premiere in Los Angeles on Aug. 29, 2017.

Martha Stewart attends a special screening of "Tulip Fever" in New York City on Aug. 29, 2017.

Melanie Brown attends the "America's Got Talent" Season 12 Live show in Los Angeles on Aug. 29, 2017.

Ali Larter attends the "Home Again" premiere in Los Angeles on Aug. 29, 2017.

Shania Twain attends the USTA Foundation Opening Night Gala in New York City on Aug. 28, 2017.

Lady Gaga performs onstage during her "Joanne" World Tour at Citi Field in New York City on Aug. 28, 2017.

Adam Sandler and Chris Rock appear on the set of "The Week Of" while filming at the Mandarin hotel in New York City on Aug. 28, 2017.

Katie Couric attends the USTA Foundation Opening Night Gala in New York City on Aug. 28, 2017.

Nick Viall attends the Wrangler Celebrates 70 Years Debut of Peter Max Collection in Los Angeles on Aug. 28, 2017.

Hilaria Baldwin and Alec Baldwin attend the USTA Foundation Opening Night Gala in New York City on Aug. 28, 2017.

Nina Agdal and Jack Brinkley-Cook enjoy a stroll together in the Hamptons on Aug. 28, 2017.

Alexa Chung attends the AG Presents 90's Young Hollywood at the Mondrian Hotel Sky Bar in Los Angeles on Aug. 28, 2017.

Kate Mara grabs some coffee as she walks in New York City on Aug. 28, 2017.

Luke Bryan and Caroline Boyer attend the USTA Foundation Opening Night Gala in New York City on Aug. 28, 2017.

Dean Cain appears at "Today" in New York City on Aug. 28, 2017.

Alessandra Ambrosio goes for a bike ride in Los Angeles on Aug. 26, 2017.

Katy Perry attends the UGG x Jeremy Scott Collaboration Launch Event at The h.wood Group's 'Poppy' in West Hollywood, Calif., on Aug. 27, 2017.

Jennifer Garner stops by the Community United Methodist Church in Pacific Palisades, Calif., on Aug. 27, 2017.

Laura Brown and Naomi Watts attend Australian Winery Bird in Hand's 20th Anniversary in Montauk, New York, on Aug. 27, 2017.

Bellamy Young attends the "Into the Cosmos: Where We Come From, Where We Are, Where We Are Going" performance in Los Angeles on Aug. 26, 2017.

Christina Milian attends a Calvin Harris and Emil Nava MTV VMA Post Party with TIDAL x Sprint at the Highlight Room at the Dream Hollywood in Los Angeles on Aug. 27, 2017.

Lauryn Hill attends The Surf Lodge Concert Series presents Lauryn Hill in Montauk, New York, on Aug. 25, 2017.

Kristen Bell films in Central Park in New York City on Aug. 28, 2017.

Ice Cube appears at Rehab in Las Vegas on Aug. 27, 2017.

Khalid, Katy Perry and Calvin Harris attend a MTV VMA Post Party hosted by Calvin Harris and Emil Nava with TIDAL x Sprint at the Highlight Room at the Dream Hollywood in Los Angeles on Aug. 27, 2017.

Kim Raver attends The Tyler Robinson Foundation's 4th Annual 'Believer' Gala in Las Vegas on Aug. 25, 2017.

Darren Criss attends the "Into the Cosmos: Where We Come From, Where We Are, Where We Are Going" performance in Los Angeles on Aug. 26, 2017.