By Meranda Yslas

When you’re shooting a film or prepping for another season of a TV show, you spend a lot of time with your coworkers. More often than not, a celebrity relationship begins to form on set. In fact, most celebs have dated a co-star or two.

Cupid has five celebs who are infamous for dating their co-stars.

1. Nina Dobrev and Ian SomerhalderThe stars of The Vampire Diaries dated for three years before announcing their celebrity break-up in May 2013. Even though they separated, the two remain good friends.

Related Link: Nina Dobrev Admits to Fighting Feelings for Costar Ian Somerhalder

2. Blake Lively and Penn Badgley: Dan and Serena from Gossip Girl had a romantic relationship on-screen, and so did the celebs who played them off-screen. After three years of dating, the Hollywood couple called it quits in 2010, but remained friendly with each other while the show continued until 2012.

3. Chad Michael Murray and Sophia Bush: Not only did these co-stars date, but they even had a celebrity wedding! Unfortunately their marriage didn’t last long and was annulled after five short months.

Related Link: Sophia Bush and Topher Grace are Just Friends

4. Jennifer Carpenter and Michael C. Hall: The stars of the show Dexter were married for three years before getting a celebrity divorce in 2011. Even after splitting, both actors spoke positively about maintaining a professional and friendly relationship with each other.

5. Zac Efron and Vanessa Hudgens: In 2005 these two celebs met while filming the first High School Musical. For five years they remained in a romantic relationship before ending it in 2010.

Is there co-stars turned famous couple that we missed? Share below.