Celebrity PHOTOS: Inside Jennifer Lopez's Sexy, Star-Studded Birthday Party The singer toasted her 47th in Vegas with Kim Kardashian West, Calvin Harris and more By People Staff Published on July 26, 2016 06:00 PM Share Tweet Pin Email Trending Videos 01 of 11 Ana Carballosa What happened in Vegas on Saturday didn't stay there for Jennifer Lopez, who celebrated her 47th birthday with a starry crowd – including French Montana Kim Kardashian West, John Stamos, Calvin Harris and beau Casper Smart – after performing her All I Have show at Planet Hollywood. 02 of 11 Walik Goshorn The party continued in Lopez's Caesars Palace Villa, where the birthday girl (in Balmain) snapped selfies with Harris and was overheard talking about collaborating with the deejay. By the end of the night, Lopez was on the piano singing "End of the Road" and "My Girl." 03 of 11 Denise Truscello On Sunday – her actual birthday! – longtime manager Benny Medina threw the songstress a bash (co-hosted by Smart) at the Nobu Villa atop the Nobu Hotel at Caesars Palace, which rents for $35,000 a night. Pals like Leah Remini turned out to celebrate. 04 of 11 Denise Truscello Lopez slayed in a sexy green Zuhair Murad jumpsuit. 05 of 11 Denise Truscello "HAPPY BIRTHDAY to the light of my life. My supporter, rock, partner in crime and love," Smart wrote in an Instagram post. "To the most beautiful bear in the world! I love you and wish you the Happiest birthday ever." 06 of 11 Denise Truscello Montana shared a ton of Insta snaps and videos with the guest of honor. 07 of 11 Denise Truscello Lopez's parents Guadalupe Rodriguez and David Lopez were on hand, and in an emotional speech, the star thanked them for raising her the way they did. 08 of 11 Denise Truscello Singer Maxwell serenaded Lopez with "Happy Birthday" as staff carried out the multi-tiered cake. 09 of 11 Denise Truscello Soccer star Cristiano Ronaldo came out to celebrate, too. 10 of 11 Denise Truscello There was tons of dancing, and the crowd went wild when Lopez's "Ain't Your Mama" and "Booty" came on. 11 of 11 Denise Truscello It was "a night to remember," Lopez wrote on Instagram.