Oct 16, 2013 12:46 PM EDT By Staff Reporter

Celebrity Sightings of the Week: Wendy Williams, Adrienne Bailon, Kate Winslet, Nikki Reed, Arnold Schwarzenegger & More [PHOTOS]

Check out this week's hottest celebrity sightings and photos. Celebrity Sightings: - Wendy Williams and friends including Adrienne Bailon celebrated the 13th birthday of her son, Kevin Hunter Jr.

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  • Adrienne Bailon joined Wendy Williams to celebrate the 13th birthday of her son, Kevin Hunter Jr., with a dream party at the swanky Marquee New York.
  • Wendy Williams celebrated the 13th birthday of her son, Kevin Hunter Jr., with a dream party at the swanky Marquee New York.
  • "Law & Order: Special Victims Unit" star Danny Pino joins Duracell to donate its new powerful Quantum batteries to the Maimi-Dade Police Department and Miami-Dade Fire Rescue at Miami-Dade Police Department as part of Duracell's donation of 1 million Duracell Quantum batteries to first responders across the country, on Oct. 14, 2013 in Doral, Fla.
  • Arnold Schwarzenegger attended the after-party at Buca di Beppo in Times Square celebrating the premiere of their new film "Escape Plan."
  • Sylvester Stallone attended the after-party at Buca di Beppo in Times Square celebrating the premiere of their new film "Escape Plan."
  • K Michelle
  • Actress Kate Winslet arrives for the premiere of "Labour Day" as part of the BFI London Film Festival in central London. (Oct. 14, 2013)
  • Actor Joe Manganiello attends long-distance swim legend Diana Nyad's 48-hour continuous "Swim for Relief" to support Hurricane Sandy recovery efforts, Tuesday, Oct. 8, 2013, in New York's Herald Square. The swim is raising funds for AmeriCares, a non-profit relief organization, with P&G brands such as Duracell, Tide and Secret underwriting the production costs to maximize the funds donated.
  • Actress Nikki Reed greets long-distance swimmer Diana Nyad during her 48-hour continuous "Swim for Relief" to support Hurricane Sandy recovery efforts, Wednesday, Oct. 9, 2013, in New York's Herald Square. The swim is raising funds for AmeriCares, a non-profit relief organization, with P&G brands such as Duracell, Tide and Secret underwriting the production costs to maximize the funds donated.
  • Sammi "Sweetheart" Giancola at the long-distance swimmer Diana Nyad 48-hour continuous "Swim for Relief" to support Hurricane Sandy recovery efforts, Wednesday, Oct. 9, 2013, in New York's Herald Square. The swim is raising funds for AmeriCares, a non-profit relief organization, with P&G brands such as Duracell, Tide and Secret underwriting the production costs to maximize the funds donated. Visit
  • Fitness personality Richard Simmons greets long-distance swimmer Diana Nyad halfway through her 48-hour continuous "Swim for Relief" to support Hurricane Sandy recovery efforts, Wednesday, Oct. 9, 2013, in New York's Herald Square. The swim is raising funds for AmeriCares, a non-profit relief organization, with P&G brands such as Duracell, Tide and Secret underwriting the production costs to maximize the funds donated.
  • Photo Credit Pearcey Proper
  • Photo Credit Pearcey Proper
  • Photo Credit (Marc Serota/Invision for Duracell)
  • Photo Credit Bryan Bedder / WireImage
  • Photo Credit Bryan Bedder / WireImage
  • Photo Credit Instagram/Kmichellemusic
  • Photo Credit Reuters
  • Photo Credit (Photo by Diane Bondareff/Invision for P&G/AP Images)
  • Photo Credit (Photo by Diane Bondareff/Invision for P&G/AP Images)
  • Photo Credit (Photo by Diane Bondareff/Invision for P&G/AP Images)
  • Photo Credit Photo by Diane Bondareff/Invision for P&G/AP Images
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