Emmy Rossum, Diane Kruger, Bryan Cranston and loads of other celebs step out for BTJA's Third Annual Critics' Choice Awards; Rob James-Collier, Elizabeth McGovern, and the other "Downton Abbey" stars strut the red carpet for An Evening with "Downton Abbey"; Shay Mitchell, Tyler Blackburn, and the rest of the "Pretty Little Liar's" cast hit the Paley Center's "Pretty Little Liars" event; Dennis Quaid, George Lopez, Danny Masterson and more step onto the green at the Screen Actor's Guild 4th Annual Los Angeles Golf Classic—read all about Monday's top events in this edition of Last Night's Parties.