Jennifer Lopez spent her 45th birthday by partying in the Hamptons with her superstar friends, including French Montana and Khloe Kardashian. The reality star shared a photo of her hanging out with the "On the Floor" singer with the caption, "She served it last night!!! Happy birthday @jlo." 

French also didn't shy away from sharing photos from the night of him turning up with the "queen," who was dressed in a white and gold bustier top. The "Pop That" rapper was looking dapper in a light blue silk shirt and gold chains. 

Check out more photos from the night in the above slide. 

Source: Instagram