Celeb Spotter 038: Jennifer Garner, Gabrielle Union and Gigi Hadid

What a week in celebrity style!

Some of our favorite stars donned a handful of stunning fashions this week during their various promo tours in New York City, and we couldn't get enough.

SEE ALSO: Sarah Jessica Parker wows in bra-baring lace top and sexy sheer skirt

Gabrielle Union may have won the week while out promoting her new book, We're Going to Need More Wine, donning a series of daring, unique looks as she fiercely posed for paparazzi outside her various promo stops. Our personal favorite? Her bodysuit with a tropical-inspired print and platform shoes.

Another style winner this week? Jennifer Garner, who donned a couple of chic ensembles that proved she knows what she's doing when it comes to street style. Her all-black look, in particular, with its fringe-lined dress, was a memorable moment for the actress.

Julianne Moore, Blake Lively and Gigi Hadid also notched some notable looks this week, as did Fergie, Rita Ora, Sarah Jessica Parker and Elizabeth Olsen.

See our favorite celebrity sightings of the week:

Celeb Spotter 038: Jennifer Garner, Gabrielle Union and Gigi Hadid
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Celeb Spotter 038: Jennifer Garner, Gabrielle Union and Gigi Hadid
Jennifer Garner was a total vision in all black in NYC. (Photo by Gotham/GC Images)
Sarah Jessica Parker brought some class to the sheer trend for an event in New York City. (Photo by Gotham/GC Images)
YAS! Gabrielle Union looked incredible as she continued her book tour in New York City. (Photo by Gotham/GC Images)
Radiant in red! Fergie was flawless for a night out in NYC. (Photo by Gotham/GC Images)
Gigi Hadid showed off her slender frame in a unique yellow dress while leaving the Whitby Hotel in New York. (Photo by James Devaney/GC Images)
Strut! Rita Ora stepped out in a fierce purple and orange ensemble in London. (Photo by Neil Mockford/GC Images)
Jude Law and Elle Fanning were spotted on set in New York this week. (Photo by James Devaney/GC Images)
Drew Barrymore was nearly unrecognizable at LAX. (Photo by starzfly/Bauer-Griffin/GC Images)
Kendall Jenner supported rumored boyfriend Blake Griffin at a Los Angeles Lakers and the Los Angeles Clippers game this week. (Photo by Allen Berezovsky/Getty Images)
Ronnie Wood and stepped out with his daughter Gracie Jane Wood in Paris. (Photo by Marc Piasecki/GC Images)
Gabrielle Union rocked a color-blocked skirt during her book tour this week. (Photo by Gotham/GC Images)

Sarah Michelle Gellar attended Capital One's celebration of the launch of the new Capital One SavorSM Mastercard in New York City.

(Photo by Cindy Ord/Getty Images for Mastercard)

Bella Thorne rocked a "KEEP THE CHIN UP QUEEN" crop top and camo pants in LA. (Photo by BG005/Bauer-Griffin/GC Images)
Naomi Watts multitasked in New York City like a total pro. (Photo by Raymond Hall/GC Images)
Julianne Moore was chic in a long-sleeved denim dress. (Photo by Raymond Hall/GC Images)
Gabrielle Union was stunning in denim-on-denim in New York City. (Photo by Gotham/GC Images)

Rosario Dawson attended a breakfast event for SkinCeuticals C E Ferulic, a daytime vitamin C serum.

(Credit: Sara Jaye Weiss/StartraksPhoto.com)

Jennifer Garner looked gorgeous stepping out in NYC this week. (Photo by Gardiner Anderson/Bauer-Griffin/GC Images)
Julianne rocked the stripes for her "Good Morning America" appearance this week. (Photo by Raymond Hall/GC Images)
Sharon Stone looked chic in black-and-white and simple frames in Los Angeles. (Photo by BG008/Bauer-Griffin/GC Images)
Supermodel Claudia Schiffer was totally stunning at an event on the Lower East Side. (Photo by Gotham/GC Images)
All buttoned-up! Gabrielle Union rocked some seriously high-waisted pants in NYC. (Photo by Raymond Hall/GC Images)
Irina Shayk rocked a pajama-inspired ensemble that flashed her sheer bra for an event in NYC. (Photo by Gotham/GC Images)
Talk to the hand! Andrew Garfield wasn't in the mood for paparazzi during a promo stop in London. (Photo by Neil Mockford/GC Images)
Dakota Johnson shimmered in a sliver mini dress with ruffled sleeves. (Photo by Gotham/GC Images)
Elizabeth Olsen peeked out the front door of her hotel in New York City. (Photo by Raymond Hall/GC Images)
Selena Gomez was pretty in a patterned baby blue dress while making the rounds in New York. (Photo by Gotham/GC Images)

Jonathan Cheban and Kris Jenner rocked coordinated ensembles while out in Los Angeles.

(Photo by SMXRF/Star Max/GC Images)

"Good Morning Ameirca" anchor Robin Roberts looked chic while attending an event in New York. (Photo by Ignat/Bauer-Griffin/GC Images)
Pink was spotted leaving her hotel with her kids in New York this week. (Photo by Raymond Hall/GC Images)
Kate Hudson continued to show off her newly-shaved head in NYC. (Photo by Raymond Hall/GC Images)
Dua Lipa effortlessly pulled off contrasting patterns in Paris. (Photo by Marc Piasecki/GC Images)
All smiles here! Gabrielle Union continued her incredible style streak during her book tour. (Photo by Raymond Hall/GC Images)
Glam night out! Blake Lively was stunning in a silver gown with sheer paneling in NYC. (Photo by James Devaney/GC Images)
Iggy Azalea was spotted in her car at JFK Airport. (Photo by starzfly/Bauer-Griffin/GC Images)

More from AOL.com:
Celeb Spotter 037: Rihanna, Tara Reid and Victoria Beckham
Celeb Spotter 036: Alessandra Ambrosio, Kerry Washington and Rita Ora
Celeb Spotter 035: Gigi and Bella Hadid in Paris, J.Rod with their kids

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