Jennifer Lopez shows off her fit figure in 51st birthday selfie

Jennifer Lopez has celebrated another trip around the sun, as she rang in her 51st birthday with loved ones. But the two-time Grammy nominee appears to have found a fountain of youth, as she continues to stun at every age. 

She showed off her gorgeous figure Saturday, as she took to Instagram with a mirror selfie in black activewear, after celebrating her birthday on Friday.The 51-year-old wrote: 'Just finished a great post-birthday celebration workout and helped to support hunger awareness!'She was also celebrated by fiancé Alex Rodriguez, 44, who took to his Instagram Story with a sweet photo, writing: 'My queen.'

'You are the greatest partner, the best mom, the most amazing performer. A role model. A hero. An inspiration. I’m so proud of you. I love you so much!'

Lopez responded: 'Omg!! I love you and feel so blessed today to have you to celebrate with my baby!!'

She was awaken on her big day by an arrangement of balloons, flowers and a breakfast feast fit for a queen.

The birthday girl also received warm wishes from pals like Vanessa Hudgens, Rita Ora, Derek Hough, Leah Remini and Bebe Rexha.

J.Lo thanked everyone in an Instagram post, writing: 'Thank you so much for all of your beautiful birthday wishes! As I watch and read through all of them, I can’t help but think how I spent my last birthday with so many of you last summer celebrating and how this year is so different. 

'But what’s the same is I still feel the love from all of you and I hope you feel it too! Even though the world has changed so much, here is something that never will: I love you, I love you, I love you!!! It’s mah birthday!!!'