Jennifer Lopez Sexy At 45! (PHOTOS): Khloe Kardashian, French Montana, Leah Remini Party at JLO's Star-Studded Bash

Actress/singer Jennifer Lopez celebrated her birthday in style in a lavish star studded bash in the Hamptons.

Approximately 100 guests partied through the night with JLo and many recorded their memories to Instagram, including the birthday girl herself. A pre-party selfie from the party was posed with the caption, "Let the games begin! #itsmyparty #funtimes #birthdaygirl #aintnuthingbutanumber." Bestie Leah Remini posted a photo of herself with Lopez stating, "WHAT @jlo #itsourparty!"

Lopez is seen yanking on the gold chains of rapper Khloe Kardashian's beau French Montana in a photo he posted with the caption, "Turnt up in the hamptons. Happy bday to the queen @jlo #southbronx." Montana also shared a second pic of himself posing with potential brother-in-law Scott Disick and Fat Joe that he captioned: "#wedemboyz #beleedat."

"She served it last night!!!" Khloe Kardashian, 30, said, posting a photo with Lopez. "Happy birthday @jlo."

Lopez even got a shout-out from ex-boyfriend Casper Smart on the photo sharing site: "Happppppppy Birthday to the most Beautiful lil bear in the world!!!! May all your wishes come true!! @JLo" the former dancer wrote, which accompanied a photo of a bear cake.

The party cake featured a Versace clad Lopez leaning over a lion and was created by SamiCakes Boutique. Owner Samantha Brooks said the confection was well received: "Apparently [Lopez] said it was delicious!" Brooks says. "She loved it."

Lopez's rumored new flame, dancer Maksim Chmerkovskiy showed in the wee hours of the morning after rehearsals for his upcoming event at Sway.

Via The LA Times