IU and Lee Hyun Woo were recently spotted at the movie theater at night, causing an array of speculations about their relationship.

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In the pictures that surfaced, the two are both wearing hats to hide their identities. The pictures were reported to be taken by a fan of Lee Hyun Woo. The pictures quickly spread and onlookers firmly believed, even though their faces are not clearly photographed, that the people in the pictures were indeed Lee Hyun Woo and IU.

Lee Hyun Woo and IU have first worked together while filming for IU's music video for "U&I" back in 2011. They two also met again in 2012 as co-emcees for SBS Inkigayo.

(Source: Nate)