I'll not say about the obvious, because it's something that I've mentioned so many times in the past, that I might end up driving other people insane if I bring it up again.
So I'll say these.
1. Don't coach the Housemates before going into the house on what they can and can't say, because it stops the Housemates from feeling natural, thus creating a bunch of boring Housemates.
2. Get the crowd reactions to feel more natural, rather than overly positive or negative (I'm thinking of Channel 5 on the latter.)
3. Stop casting so many people that love to look orange/tango'd, there's nothing wrong with some of them looking that way, but ITV and Ch5's eras really love that type of look, which does harm it's mass appeal.
4. Show Housemates good and bad sides, rather than the one-sided edits that BB like to go for with certain Housemates.
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Jimmy Floyd Hasselbaink and River Song as my Strictly 2025 Sweepstakes, and eventual winner and runner-up of the series.