Kirsten Dunst living with Johnny Borrell !

After meeting Johnny at his band Razorlight's Los Angeles gig on 9 March (07), the actress followed him to the South By Southwest Festival in Austin, Texas, before flying back to his native Britain with him last month

The Spider-Man star, is so taken with the 26-year-old rocker, she has been living with him in his north London home.

Borrell has been introducing Dunst to traditional English food bangers and mash, as well as pints of beer.

The couple was snapped canoodling in the back of a taxi and sharing kisses at pubs across the city this week.

On Saturday, Dunst, played Borrell's No. 1 Fan as her beau and his band performed at the Voices of Slavery charity gig at the Forum in London on Sunday.

"She sung along to all the tracks," a fellow concertgoer tells PEOPLE.

Dunst then joined her beau at The Hawley Arms pub in Camden after the show.

On Monday, the pair lunched on bangers and mash – British for sausages and mashed potatoes – and strolled around London's Covent Garden.

"She was very smiley," a source tells PEOPLE. "They both were. They were in their own little world."