Celebrity Twitter Pictures Week of April 18, 2012

It was a busy week on social media, with celebrities sharing their snaps from work, play, and most of all, Coachella! Lauren Conrad took pictures with a retro-cool camera while hanging at the music festival, and Ian Somerhalder struck a sexy poolside pose nearby. The cast of That '70s Show posed together during a reunion, and Miley Cyrus showed off a sweet new pair of shades.

Click through now to see the week's cutest celebrity candids, and don't forget to follow PopSugar on Twitter, Facebook, and Instagram!