Liverpool footballer Raheem Sterling was accused of attacking 19-year-old model Shana Ann Rose Halliday following a row about a text message, Liverpool Magistrates' Court heard.
But, the case against Sterling was dropped when his former girlfriend failed to support the prosecution's case by giving "disappointing" evidence.
The Crown Prosecution Service withdrew its case after magistrates refused to treat Miss Halliday as a hostile witness.
More top news
Feeling chilly with cloudy skies across northern Britain and Northern Ireland today as rain steadily moves it way from west to east.
An EU referendum, more Scottish powers and tax freezes - but Cameron stopped short of scrapping the Human Rights Act, for now.
More powers for Wales, a ban on income tax rises and more free childcare are at the heart of the Conservative's Queen's Speech.