Gwyneth Paltrow and Robert Downey Jr. have some serious chemistry on screen in "Iron Man 3" and are real life best friends off screen! "omg! Insider" co-anchor Thea Andrews, put their friendship to the test at the junket for the blockbuster hit, seeing just how well they really know each other. Check out the vid to see how Gwyneth and Robert did at the 'Besties Quiz' and for more entertainment news, tune into “omg! Insider” on TV.