In Hollywood it's the fast pace lifestyle of make-up and break-ups, where the career of some actors brought them more than just fame. Have a look at which celebrity couples swooned on set, with some blossoming into marriage... you may be surprised.
Natalie Portman and Benjamin Millepied
During the filming of Darren Aronofsky's psychological thriller, Portman became quite fond of the film's ballet choreographer and on-scene partner. The couple married in 2012 after the birth of their son in 2011.
Michael C. Hall and Jennifer Carpenter
Brother and sister duo on the hit book-to-TV adaptation didn't stop this doublet from taking matters into their own hands off screen. The pair married in 2008 and shortly filed for divorce two years later. Perhaps the family relationship on set was better suited for them.
Jennifer Lawrence and Nicholas Holt
Bryan Singer must have had his hands full on the set of the 2011 prequel, as JLaw and the 'About a Boy' wunder-kid were allured by their mutual blue appearance. Although Mystique and Beast have had their share of ups and downs, their romance seems to rekindle with every new installment of the X-Men franchise.
Ashton Kutcher and Mila Kunis
Not far off from being childhood sweethearts, Kunis and Kutcher spent quite a lot of time deciding whether to become a couple or not... six years to be precise since the closing chapter of the hit sitcom. Apparently they "hated each other" according to Kunis while playing the on-off lovers.
Channing Tatum and Jenna Dewan-Tatum
We forget that air-locked couple Channing Tatum and his wife Jenna blossomed from the 2006 hit dance flick, fueling their later marriage in 2009, and their combined work in building two production companies together 33andOut Productions and Iron Horse entertainment.
Evangeline Lilly and Dominic Monaghan
Despite being involved in the ongoing love triangle of Jack/Kate/Sawyer in Damon Lindelof's 2004 adventure series, Evangeline Lilly's romance with the once fearless Hobbit, fizzled out quite rapidly during the filming of the series.
Evan Peters and Emma Roberts
This couples on-off 'American Love! Story' has been in and out of the tabloids after a fight between the pair broke out in July 2013 with domestic violence charges being distributed as the result. However the two actors have trudged on by recently announcing their engagement.
Ryan Reynolds and Blake Livley
Ex-husband to Scarlett Johansson and heartthrob funny boy, Ryan Reynolds, took his lady luck Blake Lively from the 2011 comic book based film where popularity of the production failed. The couple later married in September 2012.
Aaron Taylor Johnson and Sam Taylor Wood
Despite the controversy over the couples twenty year gap, Johnson showed increasing interest in the director of John Lennon's biopic in 2009. The twosome announced their engagement later that year, legally changing his name to Aaron Taylor-Johnson.
Amber Heard and Johnny Depp
Moving swiftly on from his 2012 split from 14 years of marriage with French polymath Vanessa Paradis, Johnny Depp met American beauty Amber Heard while working on his second film adaptation of a Hunter S. Thompson novel. Depp later got down on one knee on Christmas Eve 2013.
Jessica Alba and Cash Warren
Romance flared for beauty Jessica Alba on the set of the 2005 superhero film when production assistant Cash Warren caught the eye of the invisible woman. The couple then married in 2009 closely followed by the birth of their daughter in the same year.
Ryan Gosling and Eva Mendes
Now happily enraptured in the arrival of their baby, two time winner of MTV's Best Kiss award with former love interest Rachel McAdams and Emma Stone, Ryan Gosling had no problem swooning co-star Mendes in the 2012 crime drama.
Claire Danes and Hugh Dancy
From the offset Danes and Dancy kept tight lipped about their off-screen romance during the filming of the somber 2006 drama. The item continued their discretion by quietly getting married in France in 2009.
Bradley Cooper and Zoe Saldana
During the production of the 2012 romantic drama, Brad and Zoe enjoyed their brief affair before going their separate ways in 2013. Saldana later married Italian artist Marco Perego in the same year. Cooper is currently dating British model and actress Suki Waterhouse.