Celebrity photos of the week: Ryan Gosling, Britney Spears and more

Matt Damon made his mark in cement at the Jet Propulsion Laboratory Mars Yard in California. The actor plays NASA astronaut Mark Watney in the new Ridley Scott-directed flick ‘The Martian’ – set to premiere at TIFF in September. Photo: © Getty Images
'Orange is the New Black' star Laverne Cox heads to a taping of 'Good Morning America' in Times Square. Photo: © Getty Images
Have mercy! John Stamos doesn't look very impressed by actor Josh Peck's 'Uncle Jesse' imitation at the Teen Choice Awards in LA. Photo: © Getty Images
That's a wrap! The cast of 'Downton Abbey' (From L: Laura Carmichael, Michelle Dockery, Allen Leech, Elizabeth McGovern and Lily James) salute the final season of the period drama at a party in London. Photo: © Getty Images
Canadian singer Carly Rae Jepsen stopped by 'Today' for a special performance in Rockefeller Plaza. She belted out a medley of her hits, including the 2012 smash 'Call Me Maybe.' Photo: © Getty Images
Pop princess Britney Spears made a night out at the Teen Choice Awards a family affair by bringing along her sons, Sean Preston and Jayden (not pictured), and niece Lexie. The Las Vegas headliner took home the award for 'Style Icon of the Year.' Photo: © Getty Images
Ryan Gosling and Emma Stone just can't get enough of each other! The A-list stars are seen here filming scenes from their third project together, 'La La Land.' Photo: © Getty Images
Kristen Stewart brought her 'Twilight' co-star and good pal Taylor Lautner as her date to the premiere of her new film, 'American Ultra.' The actress showed off her legs in a sexy floral jumpsuit by Zuhair Murad. Photo: © Getty Images
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