Celeb Spotter: Week of May 31

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Celeb Spotter: Week of 5/31
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Celeb Spotter: Week of May 31

Katy Perry arrived at Charles-de-Gaulle airport on June 6 in head-to-toe Adidas. We have to say ... the look screams "sponsorship" more than it looks fashion-forward.

(Photo by Marc Piasecki/GC Images)

Kate Hudson and her brother Oliver shared the red carpet in the official launch of FL2 Active Wear by FABLETICS on June 4.  

(Photo by Evan Agostini/Invision/AP)

Charli XCX performs on NBC's "Today" show during the Toyota Summer Concert Series on June 5. We love her '90s look!

(Photo by Charles Sykes/Invision/AP)

Jack Black struck a pose while his wife Tanya Haden looked away at the 43rd AFI Lifetime Achievement Award Tribute Gala on June 4. We hope we see more of him onscreen!

(Photo by Jordan Strauss/Invision/AP)

Christina Milian rocked a very revealing outfit while out and about in LA. What do you think -- hot or not?

Photo by: JMA/STAR MAX/IPx 6/4/15 

Lance Bass was spotted out with friends in LA on June 6. Gotta love that striped shirt!

Photo by: JMA/STAR MAX/IPx 6/4/15 

Paula Abdul was reportedly "Straight Up" with Rumer Willis at the launch of new app StarShop about dance advice and how to best take care of her body during her tour rehearsal schedule.

Sports Illustrated model Samantha Hoopes made quite the splash at the "Entourage" premiere on June 1 in this wild dress.

(Photo by Rob Latour/Invision/AP)

Doug Ellin, Adrian Grenier, Billy Bob Thornton and Kevin Dillon shared a moment on the red carpet -- now that's a crew!

(Photo by Richard Shotwell/Invision/AP)

Mark Wahlberg, who inspired "Entourage," rocked a casual getup at the premiere. 

(Photo by Eric Charbonneau/Invision for Warner Bros./AP Images)

Owen Wilson was spotted enjoying a game of tennis on day 13 of the French Open 2015 on June 5. Is it just us, or is his style getting younger and younger?

(Photo by Jean Catuffe/Getty Images)

Actress Stefanie Scott stunned in a gorgeous dress at the scary after party for the premiere of "Insidious: Chapter 3." 

(Photo by Alberto E. Rodriguez/Getty Images)

Hey there, Yoko! The artist was snapped leaving a Tribeca hotel on June 4.

(Photo by Ray Tamarra/GC Images)

Think Yoko and Dunham were having a pow-wow? The "Girls" star was also seen in Tribeca on June 4. 

(Photo by Alo Ceballos/GC Images)

Not one to be outdone, Bai Ling showed up to the "Entourage" premiere in a while tangerine and black gown with a dramatic silhouette and gratuitous curlicues. 

(Photo by Richard Shotwell/Invision/AP)

Victoria Beckham was pretty in pink in NYC this week -- and talk about those killer platforms!

Photo by: KGC-146/STAR MAX/IPx ©2015 6/4/15 Victoria Beckham is seen in New York City. (NYC)

Actress and running enthusiast Sophia Bush participated in a run in her hometown Pasadena, California, in honor of #NationalRunning Day. The "Chicago P.D" star joined The Westin Pasadena’s 5k run celebrating a new initiative that promotes . 

From product launches to red carpets and everywhere inbetween, jetsetting celebrities kept busy this week.

Katy Perry was spotted at a Paris airport in head-to-toe Adidas wear. We'll reserve our opinion for now, but what are your thought's on her matchy-matchy look?

Sophia Bush headed to her hometown of Pasadena to participate in #NationalRunningDay at the Westin Pasadena! Bush powered through a 5K run as part of the new "Run With a View" program, where you can snap pics at awesome spots on your jogging route.

Paula Abdul was reportedly "Straight Up" with Rumer Willis at the launch of new app StarShop about dance advice and how to best take care of her body during her tour rehearsal schedule -- we seriously wish we could have been a fly on the wall for that conversation!

See more celebrity sightings in the gallery above.

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