Celebrity Stalking: Keri Hilson, A$AP Rocky, Serena Williams, Tia Mowry, John Legend [Photos]

Keri Hilson celebrates New Years with a special performance at Chateau Nightclub & Rooftop inside the Paris Hotel and Casino in Las Vegas.

Fashion forward rapper A$AP Rocky arrives at the Knicks game in NYC.

Serena Williams meets a Koala at Kings Park, but was too scared to hold the bear named Sunshine in Perth, Western Australia.

Celebrity couple Tia Mowry and Cory Hardrict trip-a-referee at the Lakers vs. Memphis Grizzlies game at Staples Center in downtown Los Angeles.

John Legend celebrates his 36th birthday at Foxtail Nightclub in Las Vegas at the SLS Las Vegas Hotel and Casino.

Robin Thicke hosts a New Year’s Eve party at Foxtail Nightclub in Las Vegas at the SLS Las Vegas Hotel and Casino.

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