Blake Lively  shared a laugh with Ellen Burstyn on the set of their newest project, The Age of Adaline, in Vancouver on Thursday. Elsewhere, Prince Harry got playful with a group of kids when he helped open a new playground in London, and Zac Efron  showed off his toned biceps in a tight white t-shirt. Happy Friday to us! Keep reading for those pictures and many more star shots!
Source: FameFlynet 
Prince Harry played with children during a visit to the Queen Elizabeth Olympic Park in London on Friday.
Zac Efron  went shopping in Hollywood on Thursday.
Kristen Bell  shared a laugh with DJ Kiss at American Express's #EveryDayMoments event in NYC on Wednesday.
Leslie Mann, Kate Upton, and Cameron Diaz  premiered The Other Woman in Amsterdam on Tuesday.
On Thursday, Jennifer Lopez  flashed a smile while walking to the American Idol set in LA.
Lady Gaga  was assisted by David Letterman  and Bill Murray  when she dropped by The Late Show in NYC on Wednesday.
On Tuesday, Justin Theroux filmed scenes for The Leftovers in NYC.
Jon Hamm  was surrounded by his beautiful costars when they celebrated the seventh season premiere of their show in LA on Wednesday.
On Tuesday, Shailene Woodley and Theo James premiered Divergent in Berlin.
On Wednesday, Amy Adams  took a stroll with Darren Le Gallo in LA.
On Tuesday, Katei Holmes visited the set of Dangerous Liaisons in NYC.
Prince William greeted a young boy while attending the Windsor Greys statue unveiling in England on Monday.
Jessica Biel  and Justin Timberlake  stepped out in London on Monday.
Joe Manganiello looked ruggedly handsome while he filmed a scene for Tumbledown in Concord, MA, on Wednesday.
Hugh Jackman  looked very dapper on Tuesday when he hit the town in London.
Emma Watson  wore white to the London premiere of Noah on Monday night.
Dianna Agron  took a walk a round LA on Thursday.
On Sunday, Taylor Swift  carried her cat, Meredith, while running errands in NYC.
Lauren Silverman and Simon Cowell  attended a birthday party in London on Sunday.
Hugh Jackman  and James McAvoy  promoted X-Men: Days of Future Past by unveiling a specially wrapped Virgin train in London on Monday.
Rosie Huntington-Whiteley flashed a smile outside of London's Vogue Festival on Sunday.
Alessandra Ambrosio ran errands around LA on Monday.
Shailene Woodley, Theo James, and Kate Winslet  premiered Divergent in London on Sunday.
Miranda Kerr  waved to fans after touching down at the airport in South Korea on Monday.
Zac Efron  wore blue while out in LA on Monday.
Kelly Rowland strikes a pose at the launch event for the new Caress Fresh Collection body washes in NYC.
Source: Michael Simon
On Thursday, Blake Lively  filmed a scene with Ellen Burstyn for their new film, The Age of Adaline, in Vancouver.