The Little Mix singer first sparked speculation she was secretly engaged to the One Direction hunk yesterday evening (20.08.13) when she was spotted with a diamond sparkler on her ring finger at her boyfriend's 'One Direction: This Is Us' film premiere in London's Leicester Square.
The 20-year-old blonde's mother, Debbie, has now revealed Zayn, also 20, popped the question to Perrie on Sunday (18.08.13) and the pair couldn't be happier.
She told the Dorset Echo newspaper: ''It's official. I'm over the moon. They are really in love.''
Debbie explained Perrie didn't want to overshadow One Direction's big night during the world premiere by making an official announcement.
She later confirmed to local radio station: ''It's wonderful because Zayn is absolutely gorgeous. It's true they got engaged on Sunday and it's absolutely lovely.
''Perrie loves him to pieces and it's perfect. They get on so well together and understand each other. It's just fabulous.''
The couple first got together in December 2011 after meeting on the set of 'The X Factor' when former contestants 1D paid a visit to the new crop of singers.
Zayn proved his love to the 'Wings' hitmaker by getting a picture of her faced tattooed on his arm earlier this year, following a rocky patch involving a kiss-and-tell by waitress Courtney Webb, who claimed to have spent the night with Zayn.
A representative has also confirmed: ''Zayn and Perrie are engaged, but any further detail regarding their relationship is private.''