Katy Perry leaves Madagascar after her trip as a UNICEF Ambassador on April 8, 2013
Ashley Tisdale returns to her Manhattan Hotel after buying a coffee on April 8, 2013
Emma Roberts leaving a Nail Salon in West Hollywood on April 9, 2013
Olivia Wilde walking her dog 'Paco' in New York City on April 9, 2013
Freida Pinto at Indian Film Festival in Los Angeles on April 9, 2013
Rosie Huntington-Whiteley out for a workout at a Gym in Los Angeles on April 9, 2013
Katy Perry arrives at LAX Airport in Los Angeles on April 9, 2013
Maria Menounos signing autographs while filming EXTRA at The Grove in L.A. on April 9, 2013
Sarah Hyland unveiling Heart Calgon Campaign in New York on April 9, 2013
Paula Patton at 'Good Morning America' in New York City on April 9, 2013
Michelle Trachtenberg leaving the Chateau Marmont in West Hollywood on April 10, 2013
Gwyneth Paltrow outside 'Good Morning America' in New York City on April 10, 2013
Katy Perry at Coachella Poolside Fete in Palm Springs on April 12, 2013
Vanessa Hudgens at The Wundabar Pilates Class in Los Angeles on April 10, 2013
Sophia Bush at Coachella Poolside Fete in Palm Springs on April 12, 2013
Sarah Harding arriving at My Beautiful Ball Fundraiser in London on April 11, 2013
Salma Hayek leaving a Medical Building in Beverly Hills on April 12, 2013
Elisha Cuthbert Hosts the Annual Pink Party in Toronto on April 12, 2013
Vanessa Hudgens at Shoe Repair Shop in Studio City on April 11, 2013
Heather Graham at SAG Foundation's 'At Any Price' Screening and Q&A in LA on April 15, 2013
Miranda Kerr Unveils The New Qantas Airlines Uniform in Sydney on April 16, 2013
Ashley Tisdale out and about at a local RiteAid Pharmacy, Los Angeles on April 14, 2013
Elizabeth Banks On the Sets of 'Every Secret Thing' in New York City on April 16, 2013
Carmen Electra at Bootsy Bellows House Pool Party on April 15, 2013
Kelly Brook at 'An Evening with Chickenshed' at ITV Studios in London on April 16, 2013
Dakota Fanning On the Sets of 'Every Secret Thing' in New York City on April 17, 2013
Alexis Bledel at 'Remembering Sunday' Premiere in Century City on April 17, 2013
Rebecca Romijn filming 'King & Maxwell' in Vancouver on April 15, 2013
Shay Mitchell at the Launch of Raoul at Bloomingdales in New York City on April 15, 2013
Lindsay Lohan at Coachella Film Festival in Indio, CA - Day 1 on April 17, 2013