Celeb Spotter 030: Katie Holmes, Justin Bieber and the Jonas brothers

Celebs rock summer fashions all over the map!

Katie Holmes stepped out in NYC in a bizarre, zip-front jumpsuit that we weren't feeling, though former "Today" show personality Tamron Hall was a total winner in her colorful summer mini dress.

SEE ALSO: Mel B risks wardrobe mishap in see-through, bedazzled bodysuit

Nick and Kevin Jonas put on a sexy display with their barely-buttoned shirts, La La Anthony turned heads by wearing a waist-trainer while walking to the gym and Melanie Griffith looked like a million bucks in a Canadian tuxedo at a West Hollywood hot spot.

Across the pond, Pamela Anderson looked like a total pinup in an all-black ensemble as she partied in Saint Tropez.

More of our favorite celebrity sightings came from Mariah Carey, Justin Bieber, Whitney Port and Tiffany Haddish.

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

Celeb Spotter 030: Katie Holmes, Justin Bieber and the Jonas brothers
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Celeb Spotter 030: Katie Holmes, Justin Bieber and the Jonas brothers
LeAnn Rimes stopped by BUILD Series in a pantsless look the featured just an oversized men's dress shirt and platform heels. (Photo by Robert Kamau/GC Images)
Pamela Anderson donned a sexy black outfit while out in Saint-Tropez, France this week. (Photo by Foc Kan/WireImage)
Katie Holmes rocked a bizarre patterned bodysuit while out and about in NYC. (Photo by Raymond Hall/GC Images)
Former "Today" show star Tamron Hall was spotted out in NYC rocking a stunning summer dress. (Photo by Robert Kamau/GC Images)
Justin Bieber was spotted out and about in NYC with his hot pastor, who he's grown very close to. (Photo by Robert Kamau/GC Images)
Jennifer Lopez smiled for the paparazzi while shooting her NBC show, "Shades of Blue" in NYC. (Photo by James Devaney/GC Images)
Nick and Kevin Jonas took a brotherly stroll in New York City this week, both opting to show a little chest hair. (Photo by Robert Kamau/GC Images)
Whitney Port and husband Tim Rosenman stepped out just two weeks after welcoming their first child together. (Photo by gotpap/Bauer-Griffin/GC Images)
Jessica Alba and her husband Cash Warren stepped out in LA for a night on the town. (Photo by Hollywood To You/Star Max/GC Images)

Christie Brinkley and daughter Sailor Brinkley Cook celebrated her Haute Living cover issue with Bellisima prosecco at Scarpitta Beach at Gurney’s Montauk Resort & Seawater.

(Credit: Getty)

Emma Stone braved the fake rain while filming "Maniac" in New York City. (Photo by Alessio Botticelli/GC Images)

Shay Mitchell took part in the Propel Co:Labs Fitness Festival in Los Angeles.

(Credit: Michael Simon/startraksphoto.com)

La La Anthony donned a waist trainer and a doo-rag for a gym session in New York City this week. (Photo by Raymond Hall/GC Images)
"Modern Family" actor Nolan Gould and girlfriend Hannah Glasby stopped by a farmer's market in LA. (Photo by gotpap/Bauer-Griffin/GC Images)
"Girls Trip" breakout star Tiffany Haddish posed for the paps outside "The Late Show" on Tuesday night. (Photo by James Devaney/GC Images)

Tia Mowry hosted Family Dinner with Dawn, in which she invited the town of Lambertville to dinner, taking care of the nearly 6,000 dishes with one bottle of Dawn.

(Photo by Bobby Bank/Getty Images)

Chrissy Teigen walked her French bulldog in Los Angeles in a cropped grey sweater and heels. (Photo by BG020/Bauer-Griffin/GC Images)
Daniel Craig, who just confirmed he'll return for one final James Bond film, stepped out for a promotional appearance in NYC wearing all black. (Photo by Patricia Schlein/Star Max/GC Images)
Reese Witherspoon rocked another chic, coordinated ensemble while running errands in LA. (Photo by BG004/Bauer-Griffin/GC Images)
Drew Barrymore made a rare public appearance in LA this week. (Photo by Hollywood To You/Star Max/GC Images)

"Dancing With the Stars" judge Carrie Ann Inaba kicked off National Take Your Cat to the Vet Day with her cat Sophie.

(Credit: (Photo Credit: Michael Simon / www.startraksphoto.com)

Melanie Griffith looked like a million bucks leaving dinner at Craig's in West Hollywood. (Photo by gotpap/Bauer-Griffin/GC Images)
Carly Rae Jepsen channeled another decade with her look at the "Today" show this week. (Photo by James Devaney/GC Images)
Mariah Carey grabbed dinner with on-again-off-again boyfriend Bryan Tanaka on tour in Atlanta. (Photo by Prince Williams/WireImage)

Brandy was spotted entering the "Today" show on Wednesday. 

(Photo by James Devaney/GC Images)

Ciara looked gorgeous in white at an event in Los Angeles. (Photo by BG020/Bauer-Griffin/GC Images)
Jennifer Garner looked pretty in business casual for a LA outing. (Photo by BG004/Bauer-Griffin/GC Images)
Gwen Stefani rocked a summery black dress with a sheer midriff while out and about in Los Angeles. (Photo by BG015/Bauer-Griffin/GC Images)
Paris Hilton and boyfriend Chris Zylka walked hand-in-hand in Formentera, Spain. (Photo by Europa Press/Europa Press via Getty Images)

More from AOL.com:
Celeb Spotter 029: Jessica Simpson dons flamboyant sunglasses, Eva Longoria wows in chiffon
Celeb Spotter 028: Hailey Baldwin, Kendall Jenner and Kim Kardashian
Celeb Spotter 027: Sofia Vergara, Bella Hadid and Rihanna

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