Ellie Goulding launched the new collaboration with an exclusive acoustic performance at the 5th Avenue Niketown New York store last night as part of the city's wider Fashion's Night Out celebrations. The singer then went on to run alongside 150 fans and members of the New York Nike+ Run Club across the city and Central Park.

The singer/songwriter is currently hard at work preparing for Nike+ Run to the Beat, a half marathon that takes place in London in September. ...