Celebrity·Posted on Aug 16, 2012Britney Spears And Mars Curiosity Had An Adorable Exchange On TwitterBecause Brit was once on Mars, remember? They have a lot to talk about.by Lauren YapalaterBuzzFeed StaffLinkFacebookPinterestTwitterMail Brit tweeted this: And Mars Curiosity tweeted this: Wonder if it was Bobak ghost-tweeting as Mars Curiosity!? No, it was curiosity himself.