jloJennifer Lopez is holding on to her man! Despite a rocky on and off-again romance, J.Lo and Casper Smart are going strong. The 28-year-old managed to win over Lopez's heart again while visiting her on set recently with her twins, Max and Emme. Find out what he surprised her with and reminiscence with a timeline of their romance. 

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Family on set 1

Family on set

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J.Lo was recently surprised by Smart and the kids while on set filming, Shades of Blue in Queens, New York. Her novio came with a Prada bag for Lopez. She's one lucky lady! 

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All love 2

All love

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In September 2015, J.Lo and Smart were all smiles while at the Global Advocate for Girls & Women at the UN Foundation in New York. What trouble in paradise? 

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Cheating rumors 3

Cheating rumors

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In June 2014, Smart stirred up cheating rumors that he was secretly hooking up with Sofie Vissa, a transsexual model. His relationship with J.Lo started to go downhill from there. 

Split 4

Split

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In late 2014, J.Lo was busy promoting her new book, True Love, and movie, The Boy Next Door. Although she never fully confirmed her split from Smart, she told Maria Shriver in an interview, "Right now I think it's just better to be on my own for a bit."

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Secret dates 5

Secret dates

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Despite stirring up split headlines, J.Lo and Smart were still seen going on secret dates just months after their rumored breakup. Lopez can't keep a secret very well! 

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Birthday celebration 6

Birthday celebration

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By July, J.Lo was back to parading around with her much younger arm candy. The pop star celebrated her 46th birthday with the back-up dancer at 1OAK in the Hamptons. 

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Wedding bells? 7

Wedding bells?

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After 4 years of dating off and on, word is that Smart wants to marry J.Lo. The only issue is that the diva doesn't want to get hitched again. According to Life & Style, Smart has proposed a handful of times, but hasn't heard "yes" just yet. 

Hollywood Walk of Fame 8

Hollywood Walk of Fame

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J.Lo was honored with a star in the Hollywood Walk of Fame in June 2013. The couple looked stronger and more united than ever. 

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Sugar mama 9

Sugar mama

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After just a year of dating, J.Lo bought her boo a white Dodge Ram pick-up truck for his 25th birthday. What a lucky guy! 

Miami getaway 10

Miami getaway

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J.Lo was obviously really smitten back when the couple took a romantic getaway in January 2012. Just look at that stare! 

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Dancing again 11

Dancing again

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In 2011, Smart went on tour with J.Lo after working with her on the "Dance Again" music video. He was definitely proving his devotion with this move. Hail to the diva! 

Meeting for the first time 12

Meeting for the first time

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Just like J.Lo's many exes, the Boricua pop star met her new boyfriend while working in 2011. They started dating just months after Lopez confirmed her split from husband, Marc Anthony. Smart was the choreographer for her music video, "Dance Again." "I don't think it was [love at first sight] for either of us," he told US Weekly about their first encounter.