Jennifer Lopez left the stage in tears at Mohegan Sun Arena

Jennifer Lopez broke down and had to leave the stage last night in Connecticut at the Mohegan Sun Arena’s 15th anniversary celebration as she sang about lost love in front of a packed auditorium.

Jennifer Lopez, 42, had just performed a raw, unembellished rendition of If You Had My Love when she told the audience that the 1999 track was “the first song I wrote about love”

Then Jennifer Lopez shocked the crowd by beseeching: “What is love?”

Adding: “As the last song I wrote about love…a lot has changed since then.”

If You Had My Love lyrics centre on the theme of trust.

Jennifer Lopez wrote the song when she was in a fledgling relationship with rapper P Diddy. They had a tumultuous relationship for three years before she married backing dancer Chris Judd.

After a while, Jennifer Lopez became one half of Bennifer with Ben Affleck, and embroiled in one of the highest profile relationships of the last ten years, until it ended in their wedding being called off at the last minute.

Jennifer Lopez found love and motherhood Marc Anthony, and as they headed towards their seventh wedding anniversary in June this year, things seemed to still be hot.

Jennifer Lopez and Marc Anthony wowed American Idol fans with their sizzling performance together on the May final, but just weeks later they announced their split.

Tellingly in the song that Jennifer Lopez penned before all this happened, she ends her entreaty to a lover with the line: “I have to know the truth, If I spend my life with you.”

J Lo had set herself up for the cavalcade of painful feelings by having dancers recreate her important relationships while she sang.

A P Diddy double danced with the female dancer wearing a copy of her infamous slit-down-to-the navel Versace gown, while a ringer for her ex-husband Chris Judd danced with a paired down Jennifer Lopez-a-like in jeans.

Another doppelganger was wearing the mint green gown she wore to the Oscars with fiancé Ben Affleck as she twirled with a square-jawed replica of The Town star.

The most dazzling pairing came from the twosome reliving Jennifer Lopez and Marc Anthony’s American Idol performance from May, only weeks before they announced the end of their marriage.

An onlooker told RadarOnline.com: “At the end of the song she started sobbing and had to take a few moments to keep it together.”

“She held it together for one song but then ran offstage crying.

“She only sang a few more songs and she was obviously out of it. Everyone was so sad for her. It was really dramatic.”

Currently, the showbiz world is abuzz with rumours about Jennifer Lopez romance with A-Team hunk Bradley Cooper, 37.

However, Jennifer Lopez pledged not to speak about any romances until she is in another serious relationship at her fashion line launch in Connecticut last week.

Jennifer Lopez said she wants to protect her three-year-old twins Emme and Max in case her relationships do not work out.

“As a mom, and having children, right now they’re my first priority.

“And because of them, I wouldn’t ever comment on anything until I’m in a serious relationship again.

“It would just be confusing for them and it would be unfair. And so at the end of the day, it’s about them.”

Earlier this week, Jennifer Lopez tried to hide her face when she was spotted enjoying some time alone with Bradley Cooper.

Jennifer Lopez and Bradley Cooper are believed to have started dating last month, when they were spotted enjoying dinner at Per Se restaurant in New York.

They had tried to explain the cosy meeting away by insisting it was just a professional meeting.