The couple also co-star in The Amazing Spider-Man 2, the sequel to the first film where they met on set.
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Emma Stone and Andrew Garfield at The Amazing Spider-Man premiere
Premiering the film in London, the loved-up pair posed together and joked around with the thousands of fans who waited for hours.
Wearing a stunning yellow gown with her trademark red hair, Emma adorned her outfit with a simple thick gold chain.
She wore her short locks curled and swept over her forehead and paired it with effortless makeup which included a gorgeous raspberry lip colour.
Andrew wore a smart black suit with crisp white shirt and a patterned tie.
Emma Stone and Andrew Garfield at London premiere of The Amazing Spider-Man
Joining the pair on the red carpet were co-stars Jamie Foxx and Dane DeHaan, and director Marc Webb.
Andrew arrived on the red carpet with children who are part of the charity Kids City, who aim to advance the education of school age children through providing recreational and educational activities out of school hours.
Emma and Andrew have been promoting the film across the globe the last few weeks and in Australia, the Easy A actress teared up at a message from one of her idols.
"Oh my God, is Mel B talking to me? I'm going to cry. I'm so excited, I am legitimately crying," Emma said, before adding: "I am the biggest Spice Girls fan ever.
Radio station 2Day FM had asked their co-host Mel B to send a video message to Emma, and the actress then went on to sing Wannabe to the hosts, revealing that the rap is her favourite part.
Last year Emma was named the fifth highest paid actress in Hollywood behind Angelina Jolie and Jennifer Lawrence.
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