0Cameron Diaz & Justin Timberlake in Bad Teacher & More Exes Turned CostarsCome TogetherFormer couple Cameron Diaz and Justin Timberlake reunite for "Bad Teacher." See more post-breakup costars.The Daily BeastUpdated Jul. 13, 2017 6:44PM EDT / Published Jun. 25, 2011 7:32AM EDT The Daily Beast@thedailybeastGot a tip? Send it to The Daily Beast here.