Lily Allen fears she will be "alone forever".

?The 'It's Not Fair' singer - who has had a string of failed relationships - was sent into a romantic depression after watching 'He's Just Not That Into You', which is about a group of unlucky-in-love women.

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Referring to the movie, which stars Jennifer Aniston and Drew Barrymore, Lily wrote on her Twitter page: "watching "he's just not that into you". i think i may be alone forever. Sad (sic)" The 24-year-old singer's most recent romance with 45-year-old art dealer Jay Jopling ended earlier this year after just one month.

She had an on-off romance with Chemical Brothers star Ed Simons, 38, last year, and previously had a three-year relationship with music executive Seb Chew.

Lily recently explained her attraction to older men by claiming she has nothing in common with men her own age. She said: "The next one is probably going to be 60. I like them old and rich."