The sexy singer - who is currently dating DJ Tom Crane and has been previously romantically linked to Calum Best and actor Stephen Dorff - isn't fussy when it comes to the length of her lover's manhood, as long as they know how to use it in the bedroom.
The 26-year-old star said: "No, size doesn't matter to me. It's all about what you do with it!"
Although Sarah is happy to talk about her sex life, her bandmates - Cheryl Cole, Nadine Coyle, Kimberley Walsh and Nicola Roberts - are far more coy about their X-rated antics.
Cheryl, who is married to England soccer star Ashley Cole, said: "We don't like talking about bedroom stuff too much. If we talk about these things they end going everywhere, it's like, 'Girls Aloud do so-and-so in bed', we don't need that."
Meanwhile, the group have confessed they are sick of Sarah and Nadine always making them late.
The 'Call the Shots' singers claim they only ever argue about the pair's atrocious time-keeping.
Nadine confessed: "The last row we had was the same one we always have because me or Sarah were late getting in the car in the morning, holding everyone up."
Cheryl added: "They are always late. They don't even bother to apologise anymore or make an excuse. It's become a bit of a joke.
"We've tried lying to them about what time we have to leave, but it doesn't work. They're always behind schedule."
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Girls Aloud
Sarah Harding
