Carey Mulligan, Marcus Mumford dating: Actress enjoying whirlwind romance with Mumford& Sons singer

Mum is the word forCarey Mulliganwhen it comes to her new romance withMarcus Mumfordof the indie band Mumford& Sons, but the two have been showing a little PDA on both sides of the Atlantic

According to theDaily Mail, theOscar-nominatedactress, 25, is in the midst of a whirlwind romance with the 24-year-old British folk singer, whom she is currently with on a romantic trip in theBuckinghamshirearea of southeastEngland.

The twosome also reportedly spent time together in the historicOrkney Islandslast week.

"They've also been spending time at Marcus'Londonhome in Shepherd's Bush,"a source told the British newspaper.

Sparks apparently flew between the pair after Mulligan attended a secret Mumford& Sons show last month at the home of The Apache Relay guitaristMike HarrisinNashville.

Mulligan brought actorJake Gyllenhaalalong to the Feb. 7 party, where an insider toldUs Weeklythey hung out with the band until the end of the night.

"We had some pizza, and just played music. Jake picked up a guitar and Carey joined in on 'Amazing Grace.'"the insider added."Marcus and Carey seemed really friendly."

Mumford and Mulligan were spotted together a few days later at a secretArcade Fireshow inNew York City, before they headed over to a private members only club, a second source told Us.

"They were whispering to each other and enjoying the show,"the source said."They definitely seemed like a couple."

Mulligan hasn't been linked to anyone serious since her split with longtime beauShia LeBeouflast October. Mumford has also remained single since breaking up with singerLaura Marlinglast year.

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