Changes are on their way as British MEPs leave the chamber - but some political groupings stand to gain more than others as MEPs-in-waiting take up their seats in Brussels. Here's a look at how the hemicycle will change after January 31.
Kolinda Grabar-Kitarović, the incumbent president of Croatia, has lost Sunday's runoff election to Zoran Milanović, leader of the country's Social Democrat party.
France's nominee to become European Commissioner, Sylive Goulard, took a beating in the European Parliament. 89 committee members voted against her and only 29 in favour - ostensibly over ethical concerns for which she's being investigated.
Manfred Weber appeared to cling to his bid for the European Commission presidency in an interview with Welt newspaper on Sunday, as the German conservative urged EU lawmakers to push back against decisions made in "diplomats' back rooms."
Manfred Weber has secured the backing of his centre-right European People's Party to lead them in the next parliament.
Brussels is digesting the election results this Monday, but Tuesday will be see EU leaders meet in the Belgian capital to barter over who will take over the Commission President's job from Jean-Claude Juncker this Autumn.
The last election rallies of the European People's Party and European Socialists have been taking place ahead of Sunday's poll.
Hungarian Foreign Minister Peter Szijjarto told Euronews that Fidesz would leave the EU's biggest centre-right block after the elections, if the EPP turned to Macron's En Marche or to any other liberal or leftist force.
Centre-right poised to remain largest group in EU Parliament, new poll says, but far-right set for major gains.
The apparent irony of the move was slammed as "bizarre and unacceptable".