STAR SIGHTINGS: Michael Phelps and Fiancee Show PDA at Swimming Legends Event, Kate Moss Gets 'Naked' for New

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OMEGA

When you're the king of the Olympics, it's only appropriate to celebrate!

That's just what Michael Phelps, the most decorated Olympian of all time, did throughout the 2016 Summer Olympics in Rio de Janiero, Brazil. The celebrations included a stop at the Swimming Legends event at the OMEGA House on Aug. 15, just two days after claiming his 28th and final medal.

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Phelps and his fiancée, Nicole Johnson -- who are parents to an adorable 3-month-old son, Boomer -- couldn't stop smiling as they embraced on the red carpet before heading inside to celebrate at the members-only Swimming Legends event, which included sightings by fellow OMEGA ambassadors Chad le Clos and Alexander Popov.

OMEGA

The next day, Phelps took to Instagram to pen Johnson a sweet message alongside a photo of them from the fete. "I love spending time together with you!! Thank you for everything!! Can't wait for the next chapter in our life to begin!! Love you!!" he wrote, adding the hashtags "#rio2016" and "#omega."

Phelps' U.S. swimming teammate Ryan Lochte also indulged at the Olympic Village. While visiting the P&G Family Home on Aug. 13, the gold medalist scored a Gold Medal Shave with the 24-karat gold Gillette Fusion ProShield Razor.

Gillette


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The man with the new(ish) icy blue locks also hung out with his friend, skateboarder Shaun White, and mom, Ileana Lochte, with the latter razing her son a bit for his new 'do. "I didn't like it!" she said of Lochte's hair. "My remark was, 'Really?!' And I rolled my eyes when he told me. But it's just Ryan, and I'm used to having him do things -- and, honestly, he looks pretty good!"

Sorry, Mrs. Lochte, but we're pretty big fans of this smoldering look:

As the world's best athletes continued to put their bodies to the test in Rio, Kate Moss showed off her fit figure in a set of black-and-white photos for Naked Cashmere, a premium 100 percent cashmere line launching online in September.

The first gorgeous ads, shot by Peter Lindbergh, were released on Aug. 15 and show the supermodel lounging in nothing but one of the brand's luxe cardigans.

Naked Cashmere


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Moss looks, well, very comfortable!

While the British model stripped down, other celebrities enjoyed strip steak at STK LA. The steakhouse chain celebrated the one-year anniversary of their new home in the W Los Angeles-West Beverly Hills on Aug. 11, with plenty of celebrities getting in on the big night, including Kyle Massey, Taylor Dayne, and Downtown Julie Brown.

Gossip Girl stars Chace Crawford and Jessica Szhor had a mini reunion, catching up at the Living Room bar after their dinner, while many other celebrities made the evening into a date night. Dania Ramirez and her husband, Bev Land, held hands and stuck close together; Ali Landry and her hubby, Alejandro Gómez Monteverde, shared skirt steak and green beans and sipped on prosecco; and Tia Mowry and her main man, Cory Hardict, munched on Lil BRGs and truffle fries early in order to get their 5-year-old son, Cree, to bed at a reasonable hour.

Getty Images for STK Los Angeles

On the opposite coast, Drake and French Montana partied well into the night alongside 40 friends at Jue Lan Club in New York City on Aug. 11, where they sipped on house cocktails and ate signature braised oxtail bao buns and rock shrimp well after midnight. Also joining them? Drake's dad, Dennis Graham!

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Drake's tourmate, Future, also made his mark on the Big Apple at hotspotUp & Down, which hosted the official after-party presented by Budweiser, for the sold-out Summer Sixteen tour stop at Madison Square Garden on Aug. 12. The 32-year-old rapper performed his singles, including "March Madness," "Jumpman," and "Low Life," as stars like Rita Ora, Lewis Hamilton, Theophilus London and Andreja Pejic danced and enjoyed bottles of Ace of Spades.

BFA

A few days later, Tyga put on a show of his own, performing at The Argyle in Los Angeles on Aug. 15.

The Argyle

Stepping away for the mic for a good cause was Pharrell Williams, who helped kids get back into school mode with Yoobi x i am OTHER Presented by Pharrell Williams, a limited-edition collection available at Target and Yoobi.com that gives back to classrooms in need. During an event hosted by the music producer and Yoobi co-founder and CEO Ido Leffler in L.A. on Aug. 11, students from the Los Angeles Unified School District and kids from the Boys & Girls Club mingled with celebrities like Christina Milian and her daughter, Violet, Modern Family star Aubrey Anderson-Emmons and Girl Meets World actor Peyton Meyer.

Getty Images for Yoobi

PHOTOS: Celebs Give Back

Also in feel-good mode was Derek Hough, albeit for a very different reason! The Dancing With the Stars pro and his girlfriend, fellow dancer Hayley Erbert, got their hot yoga on at Core Power Yoga in L.A. on Aug. 15. Eyewitnesses even saw Hough affectionately rubbing Erbert's back after the sweat sesh. Aw!

That same day, The Biggest Loser trainer Bob Harper was seen on the patio outside of Earthbar in West Hollywood, California, where he chatted with a friend and re-energized with a juice after a workout.

Rounding out this sports-heavy week (not that we mind!) was LeBron James, who helped the Open Run podcast relaunch on the new UNINTERRUPTED podcast network on Aug. 17. Open Run is hosted by Jesse Williams, the Grey's Anatomy star who brings a unique perspective with his background as a former teacher and longtime activist, and Stefan Marolachakis, a musician and journalist. When James sat down with the insightful co-hosts for the premiere episode, he revealed his hopes to one day own a pro basketball team.

Open Run Podcast

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"I would love to continue to give my knowledge to the game. I would love to be a part of a franchise... My dream is to actually own a team," the NBA Finals MVP said. "I don't need to [be] fully hands on. If I'm fortunate enough to own a team, then I'm going to hire the best GM and president that I can. But I feel like I got a good eye for not only talent, because we all see a lot of talent, but the things that make the talent -- the chemistry, what type of guy he is, his work ethic, his passion, the basketball IQ side of things -- because talent only goes so far."

Check out even more star sightings in the gallery below!

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