Margo Harshman – Josh Keaton : Rumored to Have Dated (Unknown)
Sheldon’s assistant, Alex Jensen, is not quite successful in field of romance, but the actress who plays her has a different story off-screen. Although Margo Harshman hasn’t really managed to keep up with Kaley in the number of beaus accumulated, it is known that Margo has dated fellow actor Josh Keaton and also had a long-term relationship with Chris Marquette. In contrary to some celebs, Margo opts to keep her private life private, so there isn’t really much juicy gossip going round about her. Still, if you are on the lookout for intrigue and romance, continue reading.
Ellen DeGeneres – Alexandra Hedison : Dated (2001 to 2004)
Before getting hitched to wife Portia de Rossi, Ellen had been dating Alexandra Hedison for a long time. The popular host made an appearance in season ten of The Big Bang Theory, when Bert and Sheldon went to watch her show. Since the two split up, Alexandra also found love in the person of actress Jodie Foster and the couple got married in 2014. As for Ellen and Portia, they have been happily married for nine years although there have been recent reports that say Anne Heche, Ellen’s ex, still carries a torch for the talk show host – something that Portia isn’t too happy about.