Check Out That Cake! Jennifer Lopez Celebrates Lavish 45th Birthday In The Hamptons With Khloe Kardashian & French Montana

Jennifer Lopez was joined by a host of celebrities as she celebrated her 45th birthday in the Hamptons on Thursday.

The I Luh Ya Papi singer toasted her milestone in style, partying the night away with Khloe Kardashian and boyfriend French Montana, rapper Fat Joe, Scott Disick and Andy Cohen at Nammos restaurant in Southampton, New York.

Jennifer made sure she fit in plenty of pampering ahead of her birthday bash (Instagram/Jennifer Lopez)

Ahead of the £100K bash, J-Lo shared a pre-birthday make-up free photo of herself squeezing in some pampering and enjoying a bath strewn with petals.

"Soaking it all in... #birthdaygirl #itsmyparty #quietbefor," the mother-of-two captioned the snap.

Hours later and the Puerto Rican beauty was sharing photos from inside the exclusive bash of herself and close pals partying it up.

The birthday girl shared one close-up shot of herself against a backdrop of neon lights, hinting that the real partying had only just begun, she wrote: "Let the games begin! #itsmyparty #funtimes #birthdaygirl #aintnuthingbutanumber."

J-Lo was joined by Khloe Kardashian to toast the night away (Instagram/Khloe Kardsahian)

All eyes were on the singer who flaunted her toned midriff in a white basque top with a gold zipper and white trousers.

During the night Jennifer was seen cosying up to a variety of showbiz pals, including KUWTK star Khloe Kardashian, who shared an after-dark photo of herself and the American Idol judge on Instagram pouting for the camera.

Khloe's beau French Montana also cosied up to J-Lo for a snap (Instagram/French Montana)

"She served it last night!!! Happy birthday @jlo," Khloe said in a birthday message to the singer on Instagram.

The mother-of-two also posed for pictures with Khloe’s beau French Montana and fellow rapper Fat Joe.

Jennifer flaunted her sculpted abs in a photo with long-term pal Fat Joe (Instagram/Fat Joe)

"Turnt up in the hamptons happy bday to the queen@jlo #southbronx," wrote 31-year-old Montana alongside a photo of J-Lo grabbing his gold pendant.

TMZ reported the A-list soiree continued until 4 am with plenty of gourmet treats and dancing taking place.

Party trio: Scott Disck, Fat Joe and French Montana huddle together for a picture at J-Lo's bash (Instagram/Fat Joe)

The most eye-catching feature from the night, aside from the birthday girl, was her impressive birthday cake.

The 45-year-old had the sweet treat custom-made to feature herself laying on the back of a lion. J-Lo's never done things halfway!

A cake resembling Jen on the back of a lion was presented at the party last night (Instagram/Fat Joe)

Proving there are no hard feelings with ex Casper Smart, the backing dancer sent his birthday wishes earlier in the day, Instagramming a photo of a bear, with the caption: "Happppppppy Birthday to the most Beautiful lil bear in the world!!!! May all your wishes. come true!!"

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