Celebrity photos of the week: Zac Efron, Amy Schumer, Daniel Radcliffe and more

Click through for the week's most memorable celebrity pictures...
Zac Efron was one of many stars to head to Rio to cheer on athletes at the Olympics. The handsome actor even dropped by the set of <i>TODAY</i> to chat with hosts Hoda Kotb and Matt Lauer. <br>Photo: © Harry How/Getty Images
Catch her if you can! Photographers snapped Amy Schumer as she raced out of a <i>Good Morning America</i> taping in New York. The funny lady is busy promoting her memoir <i>The Girl With the Lower Back Tattoo</i>. <br>Photo: © Ray Tamarra/GC Images
Father of three Matthew McConaughey hung out with characters from his new flick <i>Kubo and the Two Strings</i> at the movie's premiere in Hollywood. <br>Photo: © Todd Williamson/Getty Images
Elle Fanning couldn't stop gushing over her adventurous Marc Jacobs tea dress at <i>Variety</i>'s Power Of Young Hollywood party in Los Angles. The actress revealed to <i>US Weekly</i> that a certain pop icon inspired her look for the evening. "I thought, it's like Madonna. It's her birthday today so it's '80s Material Girl. That was the inspiration." <br>Photo: © Gregg DeGuire/WireImage
Gwyneth Paltrow's summer in the Hamptons included an appearance at Authors Night For The East Hampton Library. The actress chatted with fans as she signed copies of her cookbook <i>It's All Easy</i>. <br>Photo: © Eugene Gologursky/Getty Images)
Daniel Radcliffe had a laughter-filled time on the <i>Sway in the Morning</i> radio show in New York. <br>Photo: © Cindy Ord/Getty Images
Matt Damon rocked a man bun as he joined co-star Alicia Vikander at a press conference for their film <i>Jason Bourne</i> in Beijing, China. <br>Photo: © Andrew Wang/VCG via Getty Images
Chris Pine looked picture perfect as he signed autographs at a screening of <i>Star Trek Beyond</i> in Seoul, South Korea. <br>Photo: © Han Myung-Gu/Getty Images
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