John: At a movie set.
While filming 'A Hard Day's Night' as an extra, John took particular notice in you and fell in love instantly.
Paul: At a Tavern.
At a Tavern during the night, Paul noticed you by yourself after a date hadn't showed up, and asked you to dance.
George: At an ice cream shop.
While you were buying ice cream, George hadn't noticed, until he saw you ordering his favorite kind.
Ringo: At a restaurant.
He noticed you by yourself, and sat with you, making immediate friendly conversation.