She’s kept mum on her boyfriend’s identity, but word is out that Whitney Port is dating Tim Rosenman. The two met when he was the Associate Producer on her reality series The City. Although the show is no longer on air — love seems to be in the air for these two! “They have mutual friends from New York and L.A.,” a source tells Us. “His sister works in fashion, too. They run in a similar crowd and seem to be really happy.” According to the source, the lovebirds “kept in touch and have always had crushes on each other. Now they are full-blown together.” The two reportedly started dating after shye ended her longterm relationship with The Buried Life’s Ben Nemtin in June.