Official Press Release from the Berlinale website confirms Bel Ami to be at Berlin Film Festival and it has been listed as World Premiere:
Bel Ami
Great Britain
By Declan Donnellan, Nick Ormerod (feature debut)
With Robert Pattinson, Uma Thurman, Kristin Scott Thomas, Christina Ricci
World premiere / out of competition
Via: patsystew | RPLife