Seemingly all of the biggest celebs were in NYC this week!
Chrissy Teigen joined hubby John Legend in their former home base while he was honored at the Time 100 Gala. Gigi Hadid and Zayn also stepped out together, while sister Bella Hadid, Joe Jonas, Emily Ratajkowski and Emma Roberts were some of the other stars that made waves with their looks while making the rounds in the Big Apple.
Across the country in LA, Cameron Dallas and Hailey Baldwin stepped out for a rumor-fueling dinner, while Justin Bieber and Pamela Anderson also made notable outings.
More of our favorite celebrity sightings this week came from Ellie Goulding, Harry Styles, "Good Morning America" anchor Lara Spencer and Jennifer Lopez.
Check out our favorite celebrity sightings of the week below:
Celeb Spotter 014: Celebs take on NYC
Celeb Spotter 014: Celebs take on NYC
Ellie Goulding wore a sexy lace mini dress to the Lost In Space anniversary party at Tate Modern in London. (Photo by Ricky Vigil M/GC Images)
Chrissy Teigen and John Legend stepped out looking fashionable as ever at The Bowery Hotel. (Photo by Raymond Hall/GC Images)
Harry Styles made a style statement in Paris with his shearling coat. (Photo by Marc Piasecki/GC Images)
Jay Cutler supported wife Kristin Cavallari as she launched her new jewelry line Uncommon James at Fig and Olive in West Hollywood on Thursday.
"Vanderpump Rules" star Tom Schwartz was spotted chowing down on the Chicken Schnitzel sandwich at Wienerschnitzel in North Hollywood over the weekend. (Photo by Jordan Strauss/Jordan Strauss Photography)
"Good Morning America" anchor Lara Spencer rocked a groutfit while out and about in NYC. (Photo by Raymond Hall/GC Images)
Bella Hadid channeled turn of the millennium Britney Spears while out in the East Village. (Photo by Alo Ceballos/GC Images)
Jaime King accessorized with a Dagne Dover bag at her birthday soiree at Black Rabbit Rose this week.
Hillary Duff and Sutton Foster were pretty in pink while filming "Younger" in NYC. (Photo by Steve Sands/GC Images)
YouTube stars Connor Franta and Tyler Oakley stepped out for TuneIn and Heard Well Radio's Launch Party at TuneIn Studios in Venice. (Photo by Vivien Killilea/Getty Images for TuneIn)
Zayn Malik and Gigi Hadid held hands in green outfits while leaving Gigi's apartment in NYC. (Photo by Hollywood To You/Star Max/GC Images)
Katie Holmes rocked denim on denim in TriBeCa this week. (Photo by Robert Kamau/GC Images)
Justin Bieber kept it casual (as per usual) while out and about in Los Angeles. (Photo by gotpap/Bauer-Griffin/GC Images)
Hailey Baldwin and Cameron Dallas sparked romance rumors when they had dinner at Katsuya in LA this week. (Photo by Hollywood To You/Star Max/GC Images)
Caitlyn Jenner was a vision in all-white while promoting her tell-all memoir in NYC. (Photo by Hollywood To You/Star Max/GC Images)
Joe Jonas and Dani Vitale sipped their morning coffee after a workout. (Photo by Josiah Kamau/BuzzFoto via Getty Images)
Emma Roberts and Evan Peters were adorbs together while taking a stroll in New York City. (Photo by Josiah Kamau/BuzzFoto via Getty Images)
Model Emily Ratajkowski stunned during a DKNY photo shoot at a basketball court in SoHo. (Photo by Josiah Kamau/BuzzFoto via Getty Images)
Rita Ora went for it in this all-black leather ensemble while leaving her hotel in NYC. (Photo by Ray Tamarra/GC Images)
Jennifer Lopez made a run for it while filming the third season of her NBC hit, "Shades of Blue." (Photo by Steve Sands/GC Images)
Dr. Phil let loose while leaving a "Today" show taping. (Photo by Ray Tamarra/GC Images)
Vivica A. Fox delivered a major diva moment this week in LA. (Photo by Hollywood To You/Star Max/GC Images)
Margot Robbie kept her head down while braving the paparazzi at LAX. (Photo by starzfly/Bauer-Griffin/GC Images)
LeAnn Rimes and Eddie Cibrian were all smiles arriving at LAX from a trip together. (Photo by starzfly/Bauer-Griffin/GC Images)
Liv Tyler stepped out for a glam event in London this week. (Photo by Ricky Vigil M/GC Images)
Alec Baldwin was snapped leaving a pizza spot in NYC this week. (Photo by Robert Kamau/GC Images)
La La Anthony put on a brave face during lunch with her father amid her shocking split. (Photo by Raymond Hall/GC Images)
Orlando Bloom stopped by BBC Radio One this week in London. (Photo by Neil Mockford/GC Images)
Model Emily Ratajkowski posed on some scaffolding in SoHo during a DKNY photo shoot. (Photo by Raymond Hall/GC Images)
Chrissy Teigen braved the weather this week to support her husband John Legend at the Time 100 Gala. (Photo by Robert Kamau/GC Images)
Emma Roberts looked gorgeous in orange while making the rounds in NYC this week. (Photo by Raymond Hall/GC Images)
Pamela Anderson brought her adorable dog through LAX this week. (Photo by starzfly/Bauer-Griffin/GC Images)
Jon Hamm didn't look pleased to see the paparazzi this week. (Photo by gotpap/Bauer-Griffin/GC Images)
Reese Witherspoon was snapped in an adorable red, white and blue outfit this week. (Photo by gotpap/Bauer-Griffin/GC Images)
Jessica Biel rocked a unique plaid dress at the TriBeCa Film Festival this week. (Photo by Raymond Hall/GC Images)
Caitlyn Jenner stepped out in a black and white ensemble that showed off her toned legs. (Photo by Josiah Kamau/BuzzFoto via Getty Images)