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The 28-year-old says she has to leave her phone with a sober friend on a night out.
As a maker of party tunes, Cheryl is known to love clubbing - but she has conceded that it can lead to her making phone calls she doesn't want to make!
'Thinking I should leave my bag w my soba friend..(sic),' tweeted the star at the weekend. 'I have been known to drink and dial.. :o *bbm can't watch face* #nodrunkychezzapls'
Perhaps Cheryl was referring to Olly Murs. The Heart Skips A Beat singer asked her for her phone number via Twitter last week, but Cheryl is yet to reply.
Nevertheless, Cheryl was clearly in great spirits as she was out celebrating her assistant Lily England's birthday.
'@lily_england..*sings* Get READY tonight..,' she wrote to her friend. 'Gonna make this a night to remember..'
Cheryl is currently readying her third album, which is reportedly set for release in the coming weeks.