Only two of BB10's 18 contestants, who go into the house tomorrow night, have a partner.
And bosses hope that a new cosmopolitan feel to the show, hosted by Davina McCall, will also help to spice things up.
Normally around half the wannabes are hooked up with someone - at least at the start.
A show source admitted last night: "This year we really want lots of steamy sex.
"And having people from countries which aren't quite as reserved as Britain might help to smooth it along."
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