Tulisa Contostavlos said her life had been "ruined" for the last year by what she called "entrapment" from an undercover reporter working for the Sun.
Speaking outside Southwark Crown Court, the singer and former X Factor judge called on the police and the Sun's publishers, News UK, to look into Mazher Mahmood's conduct.
The judge in the case said there were "strong grounds" to believe Mahmood had "lied" and given "entirely inconsistent" evidence.
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The Sunday Times reported the Prime Minister, fiancee Carrie Symonds and their son Wilfred would travel north of the border next weekend.
The city was bombed on August 9, 1945, leaving more than 70,000 people dead.
The UK economy shrank by more than 20% in the first half of the year.