Angelina Jolie, Brad Pitt, Kim Kardashian, January Jones, Michelle Obama, Kate Middleton, and More in May's Hottest Headlines

The Obamas Meet Kate and Will, the Jolie-Pitts Hit a Premiere, and Kim's 20.5-Carat Engagement Ring: The Hottest May Headlines!

The Obamas Meet Kate and Will, the Jolie-Pitts Hit a Premiere, and Kim's 20.5-Carat Engagement Ring: The Hottest May Headlines!

May is coming to a close, and Summer will soon be in full swing! Many of our favorite celebrities geared up for the new season by spending the last four weeks in bikinis, off partying in Cannes, or even starting new romances. Blake Lively and Leonardo DiCaprio seemed to hit it off at Cannes, while Kim Kardashian revealed her impressive, 20.5-carat engagement ring from fiancé Kris Humphries. Brad Pitt and Angelina Jolie let their kids join the movie fun at her LA premiere of Kung Fu Panda 2, as Kate Middleton and Prince William assumed their post-wedding royal duties by welcome President and First Lady Obama to the UK. Click through to relive some of May's biggest stories and best moments!

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