Celeb Spotter 099: Tribeca Film Festival, 'Pikachu' premiere and more

It's been quite the week for celebrity sightings: Between Cameron Diaz's rare outing for a "Charlie's Angels" reunion, Blake Lively's big baby bump debut at the "Pokémon: Detective Pikachu" premiere and the slew of spottings during the Tribebca Film Festival, it felt as though all the stars were out!

Elle Fanning, Katie Holmes, Alexander Skarsgard and Tilda Swinton were among the celebs that were photographed heading into a slew of events connected to the New York-based film festival, which was founded by Robert DeNiro.

SEE ALSO: All the best looks from the 2019 Tribeca Film Festival

Also seen in the Big Apple this week? Zoe Kravitz, Mindy Kaling and George Clooney, who all attended Hulu's big upfront presentation, the stars of Bravo's "Project Runway," who took part in WeWork's new Made By We panel series and "Long Shot" stars Seth Rogen and Charlize Theron.

More of our favorite celebrity spottings this week came from Katy Perry, Jennifer Lopez, Christina Applegate and Chrissy Teigen.

See all of the best celebrity sightings of the week in the gallery below:

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Celeb Spotter 099: Tribeca Film Festival, 'Pikachu' premiere and more
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Celeb Spotter 099: Tribeca Film Festival, 'Pikachu' premiere and more

Megyn Kelly and husband Douglas Brunt walked hand-in-hand into the premiere of "Pokemon: Detective Pikachu" in Times Square on Thursday night.

(Photo by Raymond Hall/GC Images)

"Charlie's Angels: Full Throttle" stars Drew Barrymore, Lucy Liu, Demi Moore and Cameron Diaz reunited at a ceremony honoring Lucy Liu with a star on the Hollywood Walk Of Fame in Hollywood on Wednesday.

(Credit: Tommaso Boddi via Getty Images)

Blake Lively was photographed walking into the "Pokemon: Detective Pikachu" movie premiere in New York City on Thursday night, where she debuted her baby bump. The actress wore a yellow beaded Retrofete dress with and Stuart Weitzman pumps.

(Photo by JNI/Star Max/GC Images)

Jennifer Lopez rocked a mini dress on the set of her upcoming film, "Hustlers," in New York City on Monday.

(Photo by Jose Perez/Bauer-Griffin/GC Images)

George Clooney stepped out for Hulu's NewFront event in NYC on Wednesday.

(Photo by Jackson Lee/GC Images)

Katy Perry was spotted shopping at Liberty London while wearing a retro floral bodysuit on Wednesday.

(Photo by Ricky Vigil/GC Images)

Alexander Skarsgard rocked a mustard suit while heading into an event in SoHo on Monday.

(Photo by Raymond Hall/GC Images)

Christina Applegate posed for paparazzi while walking into "The Late Show With Stephen Colbert" at the Ed Sullivan Theater on Monday in New York City.

(Photo by Gilbert Carrasquillo/GC Images)

Joan Smalls, Hailma Aden, Carine Roitfeld, Gigi Hadid and Tracee Ellis Ross at the launch of Carine Roitfeld Parfums in New York City on Saturday. (Credit: Matteo Prandoni /BFA)

Chrissy Teigen waved to paparazzi as she walked into the 2019 City Harvest Gala at Cipriani 42nd Street in NYC on Tuesday evening.

(Photo by Gilbert Carrasquillo/GC Images)

Elle Fanning and her rumored boyfriend, Max Minghella, took a stroll down Madison Avenue on Thursday in New York City.

(Photo by Say Cheese!/GC Images)

Karlie Kloss, Elaine Welteroth and Brandon Maxwell took part on We Work's new Made By We panel series moderated by AOL's Gibson Johns at the Made By We Space in New York City on Thurdsay evening.

(Credit: Liz Devine)

Gigi Hadid was seen leaving the Prada Resort 2020 fashion show at Prada Headquarters in New York City on Thursday evening.

(Photo by Gilbert Carrasquillo/GC Images)

Katie Holmes was spotted leaving the 14th Annual Tribeca Film Festival Artist Dinner hosted by Chanel in NYC on Monday.

(Photo by Robert Kamau/GC Images)

Comedian Sarah Silverman was all smiles as she posed for paparazzi outside of The Bowery Hotel on Wednesday.

(Photo by Raymond Hall/GC Images)

Liev Schreiber attended the "Pokemon: Detective Pikachu" premiere in Times Square with his kids on Thursday night.

(Photo by Raymond Hall/GC Images)

Justin and Hailey Bieber were photographed leaving their apartment in Brooklyn on Friday.

(Photo by Pierre Suu/GC images)

Newly-shaved Jason Momoa was spotted arriving at the "Jimmy Kimmel Live!" studio in L.A. on Thursday.

(Photo by BG017/Bauer-Griffin/GC Images)

Charlize Theron rocked a see-through top while out and about promoting "Long Shot" in New York City on Wednesday.

(Photo by Gotham/GC Images)

Lily Collins stopped by "The Late Show With Stephen Colbert" in New York City on Thursday.

(Photo by Gilbert Carrasquillo/GC Images)

Sofia Vergara was photographed leaving Milk Studios in Los Angeles Monday rocking a Sofia Jeans by Sofia Vergara button-front midi dress. (Credit: Michael Simon/startraksphoto.com)

Debra Messing had all the love for Gloria Steinem at the Ms. Foundation for Women's Gloria Awards in New York.

(Photo: Gary Gershoff via Getty Images)

Shiri Appleby attended the Creative Coalition's 2019 #RightToBearArts Gala presented By Optune in Washington, DC, on Thursday.

(Photo by Paul Morigi/Getty Images The Creative Coalition)

Naomi Campbell looked regal as ever while stepping out for an event in Paris on Thursday.

(Photo by Edward Berthelot/GC Images)

Lance Bass and Michael Turchin sipped on custom Stoli Vodka cocktails at his 40th birthday celebration in West Hollywood on Saturday. (Credit: Jerritt Clark/Stoli Vodka)

Alex Rodriguez grabbed dinner at Craig's in West Hollywood on Monday evening sans fiancée, Jennifer Lopez.

(Photo by Hollywood To You/Star Max/GC Images)

Drake sat courtside during the Toronto Raptors' game against the Philadelphia 76ers at Scotiabank Arena in Toronto on Monday.

(Photo by Vaughn Ridley/Getty Images)

Kris Jenner at the launch of Carine Roitfeld Parfums in New York City on Saturday. (Credit: Matteo Prandoni /BFA)

Zoe Kravitz rocked eye-catching lime green pants for her appearance during Hulu's NewFront event in New York City on Wednesday.

(Photo by Jackson Lee/GC Images)

Julianne Moore attended the 2019 Verizon Media NewFront on behalf of the upcoming documentary "5B," in New York City on Tuesday night.

(Photo by Noam Galai/Getty Images for Verizon Media)

Charlize Theron was photographed leaving her hotel in heavily bleached jeans and a khaki blazer in New York City on Wednesday.

(Photo by Jackson Lee/GC Images)

Mindy Kaling stepped out in Midtown for the Hulu NewFront event on Wednesday.

(Photo by Raymond Hall/GC Images)

Dakota Fanning was photographed following a workout in Los Angeles on Thursday.

(Photo by Hollywood To You/Star Max/GC Images)

Josh Brolin was photographed walking into "Jimmy Kimmel Live!" in Los Angeles on Monday.

(Photo by Hollywood To You/Star Max/GC Images)

G-Eazy was photographed on the "Jimmy Kimmel Live!" set in L.A. on Monday.

(Photo by BG017/Bauer-Griffin/GC Images)

Tilda Swinton stepped out in New York City on Monday rocking a double-breasted suit dress and heels.

(Photo by Raymond Hall/GC Images)

Singer Charli XCX was photographed heading to an event in the East Village on Tuesday.

(Photo by Gotham/GC Images)

Lucy Hale was photographed walking her dog while running errands in Los Angeles on Wednesday.

(Photo by Hollywood To You/Star Max/GC Images)

Alec Baldwin kept it casual in all black while out and about in Midtown, Manhattan on Monday.

(Photo by Gilbert Carrasquillo/GC Images)

Elle Fanning stepped out for an event in a retro look with pigtails in New York City on Thursday night.

(Photo by Robert Kamau/GC Images)

Armie Hammer was photographed leaving The Bowery Hotel in New York City on Thursday.

(Photo by BG024/Bauer-Griffin/GC Images)

Patrick Wilson attended the "Pokemon: Detective Pikachu" premiere with his kids in New York City on Thursday night.

(Photo by Raymond Hall/GC Images)

Seth Rogen kept it casual for his appearance on "The Late Show With Stephen Colbert" to promote his new film, "Long Shot," on Monday in NYC.

(Photo by Gilbert Carrasquillo/GC Images)

Willie Geist was the master of ceremonies at the Parkinson's Foundation New York Gala at Cipriani, which raised $665,000 to support research and care for people with Parkinson's disease.

Lana Del Rey dressed down for a casual dinner in Los Angeles on Wednesday night.

(Photo by Hollywood To You/Star Max/GC Images)

Comedian Sarah Silverman was photographed walking into The Bowery Hotel in downtown NYC on Monday.

(Photo by Raymond Hall/GC Images)

Dr. Phil McGraw was photographed out and about in Los Angeles on Tuesday.

(Photo by gotpap/Bauer-Griffin/GC Images)

Katy Perry stepped out in a metallic copper set by Camilla and Marc in London on Thursday night.

(Photo credit should read PALACE LEE / Barcroft Media via Getty Images)

Tinashe struck a pose while hanging out with friends in Los Angeles on Tuesday. 

(Photo by Hollywood To You/Star Max/GC Images)

Ryan Reynolds waved to fans while walking into the "Good Morning America" studio in New York City on Thursday.

(Photo by Raymond Hall/GC Images)

Charlize Theron left her hotel in SoHo on Tuesday to head to another promo stop on her "Long Shot" press tour.

(Photo by Gilbert Carrasquillo/GC Images)

Brittany Snow and Lucy Hale step out in Barcelona to attend the 2020 Atelier Pronovias Collection fashion show during Valmont Barcelona Bridal Fashion Week.

Elle Fanning stepped out for a NewFront event in New York City on Wednesday.

(Photo by Raymond Hall/GC Images)

 Martha Stewart attends Create & Cultivate New York presented by Mastercard at Industry City.
Ashley Grahan stuns in all black for the Create & Cultivate New York presented by Mastercard.
Luka Sabbat steps out in NYC for the Evian Drip Drop event to launch the limited-edition “One Drop Can Make a Rainbow” glass bottle designed by Virgil Abloh.
Ken Downing attends the FIT Future of Fashion Runway Show on May 09, 2019 in New York City.
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