Can't-Miss Celebrity Pics!

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

Getty | WPA Pool

Prince Harry played with children during a visit to the Queen Elizabeth Olympic Park in London on Friday.

FameFlynet

Zac Efron went shopping in Hollywood on Thursday.

Billy Farrell Agency | Billy Farrell/BFAnyc.com

Kristen Bell shared a laugh with DJ Kiss at American Express's #EveryDayMoments event in NYC on Wednesday.

WENN

Leslie Mann, Kate Upton, and Cameron Diaz premiered The Other Woman in Amsterdam on Tuesday.

FameFlynet

On Thursday, Jennifer Lopez flashed a smile while walking to the American Idol set in LA.

FameFlynet

Lady Gaga was assisted by David Letterman and Bill Murray when she dropped by The Late Show in NYC on Wednesday.

Getty | Alberto E. Rodriguez

Jon Hamm was surrounded by his beautiful costars when they celebrated the seventh season premiere of their show in LA on Wednesday.

Getty | Luca Teuchmann

On Tuesday, Shailene Woodley and Theo James premiered Divergent in Berlin.

INFphoto.com

On Wednesday, Amy Adams took a stroll with Darren Le Gallo in LA.

Pacific Coast News Online

On Tuesday, Katei Holmes visited the set of Dangerous Liaisons in NYC.

Getty | Anwar Hussein

Prince William greeted a young boy while attending the Windsor Greys statue unveiling in England on Monday.

Pacific Coast News Online

Jessica Biel and Justin Timberlake stepped out in London on Monday.

Bauer-Griffin Online

Hugh Jackman looked very dapper on Tuesday when he hit the town in London.

Getty | Tim P. Whitby

Emma Watson wore white to the London premiere of Noah on Monday night.

Bauer-Griffin Online

Dianna Agron took a walk a round LA on Thursday.

FameFlynet

On Sunday, Taylor Swift carried her cat, Meredith, while running errands in NYC.

Pacific Coast News Online

Lauren Silverman and Simon Cowell attended a birthday party in London on Sunday.

Getty | Anthony Harvey

Hugh Jackman and James McAvoy promoted X-Men: Days of Future Past by unveiling a specially wrapped Virgin train in London on Monday.

FameFlynet

Alessandra Ambrosio ran errands around LA on Monday.

Getty | Dave J Hogan

Shailene Woodley, Theo James, and Kate Winslet premiered Divergent in London on Sunday.

Getty | Han Myung-Gu

Miranda Kerr waved to fans after touching down at the airport in South Korea on Monday.

FameFlynet

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

FameFlynet

On Thursday, Blake Lively filmed a scene with Ellen Burstyn for their new film, The Age of Adaline, in Vancouver.