Daniel Radcliffe has 'great chemistry' with girlfriend Erin Darke

Daniel Radcliffe and his girlfriend of nearly two years, Erin Darke, reportedly have a great chemistry.

According to sources, the 'Harry Potter' star and his girlfriend only have eyes for each other and are very happy together, Us Magazine reported.

Radcliffe and Darke first met while filming 'Kill Your Darlings' in 2012.