Welcome to the Getty Images Week in Review. Here’s what’s been happening with your favorite celebs this week. The blue carpet was rolled out in London for the premiere of Marvel’s 'Guardians of the Galaxy'. Vin Diesel was head and shoulders above the crowd as he walked the event on stilts. He also wore a tee shirt that said “I Am Groot” – in reference to his character. But the big question on everyone’s mind – is Zoe Saldana pregnant? And expecting twins no less! While the actress kept mom on the rumors, her flowing Valentino gown may be one indication she is. Another could be her upcoming time off before she starts shooting the next three “Avatar” movies. 1:00 Zoe Saldana: I am waiting to be…prep time 1:09 Leading star Chris Pratt was also in attendance and discussed what attracted him to the role. :52 Chris Pratt: oh man I just…really good 1:05 The star - studded cast of Avengers 2: Age of Ultron descended upon San Diego’s Comic Con. Among those chatting up the film’s 2015 release: - Chris Hemsworth - Chris Evans - and Robert Downey Jr, who tossed roses into the crowd. Other Comic Com Starpower included: Salma Hayek, Orlando Bloom, Cate Blanchett, Channing Tatum, Daniel Radcliff, Paul Rudd and Evangeline Lilly. In Los Angeles, the 16th Annu