Jennifer Lopez ends 51st birthday celebrations with a gym workout

The star shared an impressive post-spin selfie with her fans
Jennifer Lopez shared an impressive post-spin selfie with her fans. (Getty Images)

She’s famous for her ageless, toned physique – and now Jennifer Lopez has proven she doesn’t give herself much of a break when it comes to her rigorous exercise regime.

The star, who turned 51 on Friday, rounded off her birthday celebrations with a spin session at home.

In an Instagram post to her 126 million followers, the mother-of-two shared a post-workout selfie in the mirror of the gym of her Miami home, with a stunning garden pool in the background.

J-Lo – who wore a back crop top and leggings, along with a top-knot and no discernible make-up – explained that she had just completed a remote class on her Peloton bike.

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The singer-actress wrote: “Just finished a great post-birthday celebration workout and helped to support hunger awareness!”

Her workout was part of the ‘Pelothon’ challenge, organised by the high-end fitness brand and which is being held in aid of four global charities – Daily Bread Food Bank in Canada; Food Bank For New York City in the US; Trussell Trust in the UK; and Die Tafel in Germany.

The snap was very popular with her fans who left more than 2.2 million ‘likes’.

One person wrote: “Stunning as always!”

Read more: Jennifer Lopez shares what she really looks like after exercise in unfiltered post-workout snap

Another commented: “You make 51 look like 21.”

A third shared: “AGELESS.”

And a fourth added: “You look so AMAZING!!! Hope you had a great day.”

The star spent yesterday on a Florida beach with fiancé Alex Rodriguez and her two children – daughter Emme and son Maximilian – from her relationship with ex-husband Marc Anthony.

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They were also joined by the former baseball pro’s daughter Ella and nephew Nick Silva.

Lopez captured the moment in another Instagram post, which she captioned: “Exactly where we need to be...”

It comes after the star shared what she really looks like following a workout in another sweaty selfie.

Her regular training comes just months after the star revealed an amazing pole dancing routine as part of her Super Bowl performance with Shakira.