When the eighth season of Game of Thrones premiered, Cersei still seemed like she was on her way to becoming the Mad Queen. Jaime had abandoned her and she'd enthusiastically started tangling with Euron and the Golden Company. As queen, Cersei has only ever had one thing on her mind besides maintaining her power: getting revenge. Oh, and that whole baby situation.
After sleeping with Euron at the start of the season, the queen was seen sitting at a table in her bedroom in a dressing gown that clearly showed off her bump (even if Euron didn't notice). The sleazy Greyjoy leader comes over, dripping with arrogance as usual, and places a hand on her stomach before saying that he's going to "put a prince inside" her belly one day. Obviously the child inside her was Jaime's, but it certainly seemed