J-Lo displayed her famous curves in a body-hugging outfit as her famous boyfriend looked-on from back stage.
The crowds went crazy for the famous singer and her hunky guy seemed besotted with her sexy performance.
The pair have been inseparable this summer as their relationship goes from strength to strength.
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The 41-year-old former baseball star said recently; "She really is one of the most impressive and smartest human beings I have ever met."
And J-Lo, 47, seems equally smitten with the athlete because they have been spending time with one another's families too.
Speaking about the relationship she revealed: "I think we are very happy and just having a good time and don't put as much pressure as everybody else puts on it."
During the packed concert J-Lo was confident enough to show off some of the dance moves that have made her famous before her hometown fans.
Many insiders are predicting that it is only a matter of time before Rodriguez asks her to marry him.
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