Alexis Bledel and Vincent Kartheiser
Another couple that began dating off-set and also played a couple on-screen. Yes, these two met on the hit show, Mad Men. Bledel and Kartheiser began dating in 2012, married in 2014 and had a son in 2015. Wow, that guest role Alexis Bledel had on Mad Men really changed her life! Actually, the two kept things professional and only began dating once their working relationship ended.

Alexis Bledel And Vincent Kartheiser
Miley Cyrus and Liam Hemsworth
One of Hollywood’s most talked about couples…Liam Hemsworth and Miley Cyrus! After all these years it’s hard to remember that they actually met starring opposite each other in that Nicholas Sparks film, The Last Song. Then, Miley and Liam began dating in 2010, got engaged two years after, but then broke up. Luckily, they’ve gotten back together as of early 2016. Now, everyone is anxiously awaiting to see if they tie the knot. Also Miley’s new song “Malibu” is about their rekindled romance.

Miley Cyrus And Liam Hemsworth