"She has fallen hard and is smitten," a source tells E! News, which reports that the 29-year-old romantically unlucky singer and Corgan, 42, are "officially dating."
When reached by PEOPLE, a rep for Simpson would only say she doesn’t comment on her client's personal life.
Of course, the two – photographed together in New York Friday – may simply be working on one of music's most mismatched duets, but until it hits the airwaves, this is one potential relationship we're keeping our eyes on.
– K.C. Baker and Michael Y. Park