Lady Gaga with fans outside Z100 Radio in NYC

One Direction's Harry Styles shops for a Rolex in NYC

Harry Styles gets fashion tips from Lou Teasedale in NYC!

Harry Styles of One Direction shops at Yves Saint Laurent in NYC

One Direction's Harry Styles leaves a Rolex store in NYC

One Direction's Liam Payne with mom at Brooklyn Diner in NYC

One Direction's Harry Styles arrives to Rolex store in NYC

Lady Gaga at recording studio in NYC

Fan tells Lady Gaga about assault in NYC

Rita Ora is HOT in NYC

Robin Thicke & Adorable Son arrive to MTV VMAs in Brooklyn, NY

Lady Gaga at her apartment in NYC

Jennifer Hudson at JFK Airport in NY

One Direction chased by fans after Today Show in NYC

One Direction at Newark Airport in NJ

Ariana Grande with fans outside Frankie's apt in NYC

Lady Gaga with fans outside SiriusXM radio in NYC

Lady Gaga rides convertible in Times Square, NYC

Lady Gaga reveals cleavage outside apt in NYC

Lady Gaga at Hot 93.7 radio in NYC

Duck Dynasty ride in Escalades at NY Airport

Heidi Klum out and about in NYC

Sharon Osbourne jokes with paparazzi in NYC

Kendall Jenner & Kylie Jenner are HOT at PacSun in Soho, NYC

Sharon & Ozzy Osbourne spotted in NYC

Josh Groban rides a bicycle in Soho, NYC